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1. Algebraic Logic
Algebraic logic. Research staff. Hajnal Andréka, head of research division; Judit Madarász István Németi Ildikó Sain. Associated members
Algebraic Logic
Research staff
Associated members
Doctoral students

Preprints of our group
can be found here.

2. 03: Mathematical Logic And Foundations
Algebraic logic studies logical systems via associated Algebraic structures. In particular, this is a convenient setting for the study of manyvalued logics
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03: Mathematical logic and foundations
Mathematical Logic is the study of the processes used in mathematical deduction. The subject has origins in philosophy, and indeed it is only by nonmathematical argument that one can show the usual rules for inference and deduction (law of excluded middle; cut rule; etc.) are valid. It is also a legacy from philosophy that we can distinguish semantic reasoning ("what is true?") from syntactic reasoning ("what can be shown?"). The first leads to Model Theory, the second, to Proof Theory. Students encounter elementary (sentential) logic early in their mathematical training. This includes techniques using truth tables, symbolic logic with only "and", "or", and "not" in the language, and various equivalences among methods of proof (e.g. proof by contradiction is a proof of the contrapositive). This material includes somewhat deeper results such as the existence of disjunctive normal forms for statements. Also fairly straightforward is elementary first-order logic, which adds quantifiers ("for all" and "there exists") to the language. The corresponding normal form is prenex normal form. In second-order logic, the quantifiers are allowed to apply to relations and functions to subsets as well as elements of a set. (For example, the well-ordering axiom of the integers is a second-order statement). So how can we characterize the set of theorems for the theory? The theorems are defined in a purely procedural way, yet they should be related to those statements which are (semantically) "true", that is, statements which are valid in every model of those axioms. With a suitable (and reasonably natural) set of rules of inference, the two notions coincide for any theory in first-order logic: the Soundness Theorem assures that what is provable is true, and the Completeness Theorem assures that what is true is provable. It follows that the set of true first-order statements is effectively enumerable, and decidable: one can deduce in a finite number of steps whether or not such a statement follows from the axioms. So, for example, one could make a countable list of all statements which are true for all groups.

3. Preprints Of The Algebraic Logic Dept.
Hajnal Andréka, Steve Givant, Szabolcs Mikulás, István Németi and András Simon Notions of density that imply representability in Algebraic logic
Preprints of the Algebraic Logic Department
Please note that this page (and the ftp site of the AL dept.) contains only a subset of the papers that are available electronically. If you know of a paper by a member of the dept., and would like to see it here, contact him/her. If you have problems retrieving a paper listed here, please let me know.

4. Abstract Algebraic Logic - Wikipedia, The Free Encyclopedia
Abstract Algebraic logic, (AAL) is the field of mathematical logic that studies the ways in which classes of algebras may be associated with logical systems
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Abstract algebraic logic
From Wikipedia, the free encyclopedia
Jump to: navigation search Abstract algebraic logic, (AAL) is the field of mathematical logic that studies the ways in which classes of algebras may be associated with logical systems and how these classes of algebras interact with the logical systems.
edit Overview
The archetypal association of this kind, one fundamental to the historical origins of algebraic logic and lying at the heart of all subsequently developed subtheories, is the association between the class of Boolean algebras and classical propositional calculus . This association was discovered by George Boole in the , and refined by others, especially Ernst Schroder in the . This work culminated in Lindenbaum-Tarski algebras , devised by Alfred Tarski and his student Adolf Lindenbaum in the Classical algebraic logic, which comprises all work in algebraic logic until about , studied the properties of specific classes of algebras used to "algebraize" specific logical systems of particular interest to specific logical investigations. Generally, the algebra associated with a logical system was found to be a type of

5. Ian Hodkinson: Algebraic Logic
Games in Algebraic logic axiomatisations and beyond R. Hirsch and I. Hodkinson in Stefan Bold, Benedikt Löwe, Thoralf Räsch, Johan van Benthem (eds.
Algebraic logic
Go to home page
Much of my research in this area has been joint with Robin Hirsch
The recently-published book on relation algebras was jointly written with him. See Links Some open problems Brief outline of area

6. Algebraic Logic
Algebraic logic. There is little that is surprising to be said about the Algebraic aspect of Watson. All theorems in a Watson theory are equations,
Next: Definition by cases Up: The Logic of Watson Previous: The Logic of Watson
Algebraic logic
There is little that is surprising to be said about the algebraic aspect of Watson. All theorems in a Watson theory are equations, implicitly universally quantified over their free variables. We exhibit a set of formal axioms for equational logic which are supported by Watson:
A A is an axiom for any term A
if A B is a theorem, then B A is a theorem.
if A B is a theorem and B C is a theorem, then A C is a theorem.
We introduce notation A T x ] for the result of substituting the term T for the free variable x in the term A . A formal analysis of substitution will be needed later when abstraction is considered.
if A B is a theorem, then C A x C B x ] is a theorem.
if A B is a theorem, then A C x B C x ] is a theorem.
This logic of equations is familiar to all of us from high school algebra, though its formal study is not entirely trivial. The path not taken here leads to the more usual approach to logic in which propositions rather than terms are taken as basic and propositional connectives and quantifiers are logical primitives. In Watson, the propositional connectives and quantifiers are not logical primitives: they can be defined in terms of the logical primitives of Watson (definition by cases and abstraction) or they can be introduced as user-defined primitives in a Watson theory.
Next: Definition by cases Up: The Logic of Watson Previous: The Logic of Watson Randall Holmes

7. Propositional Consequence Relations And Algebraic Logic (Stanford Encyclopedia O
Algebraic logic can be described in very general terms as the discipline that studies logics by associating with them classes of algebras,
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Propositional Consequence Relations and Algebraic Logic
First published Tue 19 Dec, 2006 George Boole was the first to present logic as a mathematical theory in algebraic style. In his work, and in that of the other algebraists of the algebraic tradition of logic of the nineteenth century the distinction between a formal language and a mathematically rigorous semantics for it was still not drawn. What the algebraists in this tradition did was to build algebraic theories (of Boolean algebras, and relation algebras) with among other interpretations a logical one. The works of Frege and Russell introduced a different perspective on the way to approach logic. In those works a logic system was given by a formal language and a deductive calculus, namely a set of axioms and a set of inference rules. Let us call such a pair a logical deduction system , and the formulas derivable in the calculus the theorems of the system (nowadays it is common practice to call this kind of calculi Hilbert style calculi). In Frege and Russell's approach a formal (mathematical) semantics of whatever kind (algebraic, model-theoretic, etc.) for the formal languages they used was lacking. The only semantics present was of an intuitive informal kind.

8. Algebraic Logic Functional Language
Algebraic logic Functional language. language (ALF) A language by Rudolf Opalla which combines functional
The Free Online Dictionary of Computing ( Previous: Algebraic Interpretive Dialogue Next: Algebraic Manipulation Package
Algebraic Logic Functional language
language which combines functional programming and logic programming techniques. ALF is based on Horn clause logic with equality which consists of predicates and Horn clauses for logic programming , and functions and equations for functional programming . Any functional expression can be used in a goal literal and arbitrary predicates can occur in conditions of equations. ALF uses narrowing and rewriting. ALF includes a compiler to Warren Abstract Machine code and run-time support FTP ["The Implementation of the Functional-Logic Language ALF", M. Hanus and A. Schwab].

9. Algebraic Logic - Elsevier
19th Century Roots of Algebraic logic and Universal Algebra. Relation Algebra and logic of Programs. Structural Completeness in Algebra and logic.
Home Site map Elsevier websites Alerts ... Algebraic Logic Book information Product description Author information and services Ordering information Bibliographic and ordering information Conditions of sale Book-related information Submit your book proposal Other books in same subject area About Elsevier Select your view ALGEBRAIC LOGIC
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Colloquia Mathematica Societatis Janos Bolyai, 54

Hardbound, ISBN: 0-444-88543-9, vi + 746 pages, publication date: 1991
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10. Algebraic Logic And Universal Algebra In Computer Science 1988
@proceedings{DBLPconf/aluacs/1988, editor = {Clifford Bergman and Roger D. Maddux and Don Pigozzi}, title = {Algebraic logic and Universal Algebra in
Algebraic Logic and Universal Algebra in Computer Science 1988: Ames, Iowa, USA
Clifford Bergman Roger D. Maddux Don Pigozzi (Eds.): Algebraic Logic and Universal Algebra in Computer Science, Conference, Ames, Iowa, USA, June 1-4, 1988, Proceedings. Lecture Notes in Computer Science 425 Springer 1990, ISBN 3-540-97288-9 BibTeX DBLP
Invited Papers
Contributed Papers

11. Algebraic Logic Functional Language - Definitions From
Definitions of Algebraic logic Functional language at Logic Functional language
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12. 03Gxx
Algebraic logic 03G25 Other algebras related to logic See also 03F45, 06D20, 06E25, 06F35; 03G30 Categorical logic, topoi See also 18B25, 18C05,
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Algebraic logic
  • 03G05 Boolean algebras [See also 03G10 Lattices and related structures [See also 03G12 Quantum logic [See also 03G15 Cylindric and polyadic algebras; relation algebras 03G20 Lukasiewicz and Post algebras [See also 03G25 Other algebras related to logic [See also 03G30 Categorical logic, topoi [See also 03G99 None of the above, but in this section

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13. Algebraic
(Let me start off by saying that I ve yet to meet a mathematician who can clearly and formally define Algebraic logic. I ll try anyway )

14. Categorical Abstract Algebraic Logic: Categorical Algebraization Of Equational L
This paper deals with the algebraization of multisignature equational logic in the context of the modern theory of categorical abstract Algebraic logic.
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This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Alert me to new issues of the journal Add to My Personal Archive ... Request Permissions Google Scholar Articles by Voutsadakis, G. Search for Related Content
Categorical Abstract Algebraic Logic: Categorical Algebraization of Equational Logic
George Voutsadakis School of Mathematics and Computer Science, Lake Superior State University, 650 W. Easterday Avenue, Sault Sainte Marie, MI 49783, USA. E-mail: This paper deals with the algebraization of multi-signature equational logic in the context of the modern theory of categorical abstract algebraic logic. Two are the novelties compared to traditional treatments: First, interpretations between different

15. RasiowaAlgebraicLogic.htm
The study of the relationship between logic and algebra, originated by the work of Her research work on Algebraic logic was aimed at finding a precise
HELENA RASIOWA, 1917 - 1994 by Algebraic Logic Rasiowa's first monograph The Mathematics of Metamathematics ([31]) written jointly with R.Sikorski, contains a comprehensive survey of algebraic theories of logical calculi. Algebraization is applied to classical, intuitionistic, modal and positive logics. The book focuses on metalogical theorems on the predicate calculi of these logics and on an investigation of elementary theories based on them. The main idea underlying the concept of associating algebraic systems with logical calculi is the following: Let be a first order language such that is its set of individual variables, are the binary propositional connectives of is a unary propositional connective and are the quantifiers of Let be a complete algebra such that are binary operations, is a unary operation and and are infinitary operations the common domain of which is the class of all nonempty subsets of By a realization of the language in a nonempty set and in the algebra we mean any mapping which assigns a function to each function symbol of and a function to any predicate symbol of The realization is then extended to all the terms and all the formulas of Let be a valuation of individual variables in a set Then we define:
for any individual variable where and
for all where is as above.

16. OUP: UK General Catalogue
It is aimed primarily for logisticians in mathematics, philosophy, computer science and linguistics with an interest in Algebraic logic,

17. IngentaConnect Independence Results In Algebraic Logic
We formulate several statements in Algebraic logic that turn out to be independent of ZFC. We relate such statements to Martin s axiom, omitting types for
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18. Applications Of Algebraic Logic And Universal Algebra To Computer Science.
A fourday conference was held at Iowa State University oriented around the topics stated in the project title. Approximately 80 people attended the

19. Book Universal Algebra,, Algebraic Logic And Databases (mathematics And Its Appl
book undergraduate level (part ii) engineering colleges et apllied maths for other disciplines this volume is devoted to the development of an Algebraic
Search on All Book CD-Rom eBook Software The french leading professional bookseller Description
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Universal algebra,, algebraic logic and databases (Mathematics and its applications 272) Author(s) : PLOTKIN
Publication date : 02-1994
Language : ENGLISH
Status : In Print (Delivery time : 10 days)
Preface. Introduction: 0. General View on Objectives and Contents of the Book. I: Universal Algebra. 1. Sets, Algebras, Models. 2. Fundamental Structures. 3. Categories. 4. The Categories of Sets. Topoi. Fuzzy Sets. 5. Varieties of Algebras. Axiomatizable Classes. 6. Category Algebra and Algebraic Theories. II: Algebraic Logic. 7. Boolean Algebras and Propositional Calculus. 8. Halmos Algebras and Predicate Calculus. 9. Specialized Halmos Algebras. 10. Connections with Model Theory. 11. The Categorial Approach to Algebraic Logic. III: Databases Algebraic Aspects. 12. Algebraic Model of a Database. 13. Equivalence and Reorganization of Databases. 14. Symmetries of Relations and Galois Theory of Databases. 15. Constructions in Database Theory. 16. Discussion and Conclusion. Bibliography. Index.
Subject areas covered:
  • Mathematics and physics Algebra analysis geometry Undergraduate level (part ii) - engineering colleges
  • Mathematics and physics Applied maths and statistics Apllied maths for other disciplines
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20. An Abstract Algebraic Logic View Of Some Multiple-valued Logics
Font, J. M., and Verdú, V. Algebraic logic for classical conjunction and disjunction. Studia logica, Special Issue on Algebraic logic 50 (1991), 391419

21. 6th Panhellenic Logic Symposium :: Invited Lectures
Algebraic logic studies classes of algebras that are related to logical systems, as well as the process by which a class of algebras becomes the Algebraic
6th Panhellenic Logic Symposium
Volos, Greece, 5-8 July 2007
Invited Lectures
Ayse Berkman (Middle East Technical University):
Groups of Finite Morley Rank I shall make a quick introduction to the subject, give examples and present the Borovik program that shaped around the main conjecture of the area:
Algebraicity Conjecture An infinite simple group of finite Morley rank is isomorphic to an algebraic group over an algebraically closed field.
In the second half of my talk, I shall present some recent results from the study of groups of finite Morley rank with pseudoreflection subgroups:
If G acts on an abelian group V , with an infinite definable connected abelian subgroup R such that V V R C V R ) and R acts transitively on the non-zero elements of [ V R ], then R is called a pseudoreflection subgroup of G
Stuart Barry Cooper (University of Leeds):
The Interactive Structure of Information: Post's Program Revisited Computability theory concerns information with a causal structure. As such, it provides a schematic analysis of many naturally occurring situations.
Emil Post was the first to focus on the close relationship between information, coded as real numbers, and its algorithmic infrastructure. Having characterized the close connection between the quantifier type of a real and the Turing jump operation, he looked for more subtle ways in which information entails a particular causal context. Specifically, he wanted to find simple relations on reals which produced richness of local computability-theoretic structure. To this extent, he was not just interested in causal structure as an abstraction, but in the way in which this structure emerges in natural contexts. "Post's program" was the genesis of a more far reaching research project.

22. JSTOR Studies In Algebraic Logic.
Connections between combinatorial theory and Algebraic logic. Ibid., pp. 5891. HELENA RASIOWA. Post algebras as a semantic foundation of m-valued logics.<145:SIAL>2.0.CO;2-Z

23. Algebraic Logic. Text - Physics Forums Library
Archive Algebraic logic. Set Theory, logic, Probability, Statistics.
Physics Help and Math Help - Physics Forums Mathematics Set Theory, Logic, Probability, Statistics PDA View Full Version : algebraic logic. loop quantum gravity i searched at amazon for books, and find some books about this topic, and i wonder what does this topic cover?
in one book it states that:"The main theme is that standard algebraic results (representations) translate into standard logical results (completeness). "
ok i understand what completeness is, but what does it have to do with (if i'm right here) represntation theory of groups (unless there are other representations)?
and the book also says that it covers:"...gaggles, distributoids, partial- gaggles, and tonoids", what are they? (i tried wiki and mathworld and didn't find anything about them).
here's a link to the book: Hurkyl I know part of what the book is doing I'm a little familiar with universal algebra.
Universal algebra is an approach that can study many diverse kinds of algebraic structures simultaneously, such as:
groups, abelian groups, rings, modules over a ring, vector spaces over a particular field, algebraic lattices, algebras over a ring, representations of a discrete group acting on a vector space over a particular field, etc.

24. [math/0312485] Algebraic Geometry In First Order Logic
The first part (sections 24) contains background on Algebraic logic in the given variety of algebras $\Theta$. The second part is devoted to Algebraic math
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Mathematics > General Mathematics
Title: Algebraic geometry in First Order Logic
Authors: B. Plotkin (Submitted on 29 Dec 2003) Abstract:
In this paper the FOL formulae are considered in the context of algebraic logic.
Comments: Subjects: General Mathematics (math.GM) ; Logic (math.LO) MSC classes: Cite as: arXiv:math/0312485v1 [math.GM]
Submission history
From: Plotkin Boris [ view email
Mon, 29 Dec 2003 14:36:59 GMT (68kb)
Which authors of this paper are endorsers?
Link back to: arXiv form interface contact

25. Challenging Imperative Programming With Algebra, Logic And Functions
The challenge is to integrate Algebraic, logic and functional programming into a paradigm that can beat imperative programming. This is an old goal,
Challenging Imperative Programming with Algebra, Logic and Functions
Jan van Eijck
The challenge is to integrate algebraic, logic and functional programming into a paradigm that can beat imperative programming. This is an old goal, and many have lost faith that it can be achieved. However, there are signs that due to leaps in system complexity and the intricacies of concurrency the (in)famous von Neumann bottleneck is turning into a real limitation on what imperative programming can achieve.
``How much land does a man need?'' asked Lev Tolstoi, and the answer turned out to be: surprisingly little. ``How many programming languages does a software designer need?'' The answer seems to be: surprisingly many. See below. Of course, well-designed languages are a key to good software design, but while many well designed languages are available (see below), the problem of ill-designed software persists. Why is this so? A refreshing concept for software design is being puth forth at Praxis High Integrity Systems (IEEE Spectrum Software Report ``The Exterminators'', September 2005), but it is nothing new. Years ago, that was the way software was developed. Programmers actually designed their programs - remember flowcharts ? - and wrote ``pseudocode'' before ever beginning to write code. Why has that changed? For the last 20 years, the goal has been to make programming easier and easier by supplying ever more powerful tools - compilers, Visio, programming packages, workbenches, and so on - and by creating higher-level and more abstract languages. Theoretically, these tools should have made the output better, and, used correctly, they would have. Instead, the innovations made programming and coding so easy that literally anyone can write code. Not well-structured code or bug-free code - just code.

26. Categorical Abstract Algebraic Logic - What Does CAAL Stand For? Acronyms And Ab
What does CAAL stand for? Definition of Categorical Abstract Algebraic logic in the list of acronyms and abbreviations provided by the Free Online Abstract Algebraic Logic
Domain='' word='CAAL' Printer Friendly 728,391,542 visitors served. TheFreeDictionary Google Word / Article Starts with Ends with Text subscription: Dictionary/
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0.04 sec. Acronym Definition CAAL Calidris Alba (Sanderling) CAAL California Academy of Appellate Lawyers CAAL Callirhoe Alcaeoides (light poppymallow) CAAL Canadian Alumni Association of Lebanon CAAL Canadian Association of Applied Linguistics CAAL Canam Academy of Advanced Learning (India) CAAL Canonical Abbreviation/Acronym List CAAL Categorical Abstract Algebraic Logic CAAL Catophractes Alexandri CAAL Centro Automazione Analisi Linguistica CAAL Child/Adolescent Activity Log CAAL Chinese American Association of Lexington (Lexington, MA) CAAL Chinese Association of Arabic Literature CAAL Citizens for Alternatives to Animal Labs, Inc. CAAL Coalition Against Abusive Lending CAAL COMOPTEVFOR Acronym and Abbreviation List (US Navy) CAAL Computational Aspects of Applied Linguistics CAAL Computer-Aided Acquisition and Logistics CAAL Computer-Aided Adult Learning CAAL Computers and Ancient Languages CAAL Concrete and Aggregates Association of Louisiana (Baton Rouge, LA)

27. FWD: Call For Papers: Algebraic Methodology And Software Technology
During the previous three meetings, AMAST has attracted researchers and practitioners interested in algebra, logic, formal methods, specification and
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FWD: Call for Papers: Algebraic Methodology and Software Technology

28. Doctorate In Logic And Foundations Of Mathematics
e) Algebraic logic. (4 credits). Prof. Josep Maria Font f) Automatic deduction. (4 credits). Raimon Elgueta (UPC) Algebraic logic, computational logic.
Ph. D. Program
Logic and Foundations of Mathematics
The goal of the program is to train researchers in Logic and closely related topics. Our plan is first to provide the basic training that any logician must have and then to develop the research skills of the students by centering the training on the topics where the groups participating in the Program have their research, namely: Algebraic Logic, Many-valued Logics and Non-classical Logics in general, Model Theory, Philosophy of Mathematics, and Set Theory. The Ph. D. dissertations should correspond to one of these topics. This Program is organized by the Departament of Logic, History and Philosophy of Science of the Universitat de Barcelona (UB), with the collaboration of the Departament of Applied Mathematics II of the (UPC), of the Research Institute in Artificial Intelligence of the (IIIA-CSIC) and of the (ICREA). This Program has received a Quality Award from the Spanish Ministry of Education and Science (Official Journal "BOE" 5/7/2004) Organization of the studies The first period of the program consists of two years of training before the student is allowed to start the research on the Ph. D. dissertation. During the

29. Categorical Abstract Algebraic Logic Models Of -Institutions
Keywords abstract Algebraic logic; deductive systems; institutions; . 17 Voutsadakis, G., Categorical Abstract Algebraic logic, Ph.D. thesis,
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    George Voutsadakis Source: Notre Dame J. Formal Logic Volume 46, Number 4 (2005), 439-460.
    Primary Subjects: Secondary Subjects: Keywords: abstract algebraic logic; deductive systems; institutions; equivalent deductive systems; algebraizable deductive systems; adjunctions; equivalent institutions; algebraizable institutions; Leibniz congruence; Tarski congruence; algebraizable sentential logics Full-text: Access denied (no subscription detected) We're sorry, but we are unable to provide you with the full text of this article because we are not able to identify you as a subscriber. If you have a personal subscription to this journal, then please login. If you are already logged in, then you may need to update your profile to register your subscription. Read more about accessing full-text Alternatively, the document is available for a cost of $20. Select the "buy article" button below to purchase this document from a secured VeriSign, Inc. site. Links and Identifiers Permanent link to this document:

30. Salibra/papers.html
Workshop on Abstract Algebraic logic, Bellaterra, Spain, July 15, 1997. (J. Font, R. Jansana, D. Pigozzi eds.), CRM Quaderns num. 10/gener 1998, pp.
Antonino Salibra Papers 2000-2007
  • Applying Universal Algebra to Lambda Calculus.
    G. Manzonetto and A. Salibra.
    In preparation
  • Boolean algebras and lambda calculus.
    A. Salibra.
    International Conference on Algebraic and Topological Methods in Non-Classical Logics III (TANCL'07), St Anne's College, University of Oxford, Oxford, England, August 5-9, 2007. Abstract(pdf) Slides(pdf)
  • Algebra and topology in lambda calculus.
    A. Salibra.
    Plenary Presentation at International Conference on Order, Algebra and Logics, Vanderbilt University, Nashville, USA, June 12-17, 2007. Abstract(pdf) Slides(pdf)
  • Lambda theories of effective lambda models.
    C. Berline, G. Manzonetto and A. Salibra.
    16th EACSL Annual Conference on Computer Science and Logic (CSL'07), 11-15 September 2007, Lausanne, Switzerland Paper(pdf)
  • Graph lambda theories.
    A. Bucciarelli and A. Salibra.
    Mathematical Structures in Computer Science 200? (to appear) Paper(pdf)
  • Boolean algebras for lambda calculus. G. Manzonetto and A. Salibra. 21st Annual IEEE Symposium on Logic in Computer Science (LICS'06), Seattle, Washington, Usa, August 12th-15th, 2006. Paper(pdf)
  • The sensible graph theories of lambda calculus.

31. Amsterdam-London Workshop On Modal Logic 2006
10.1511.15 Algebraic logic I (Chair Nick Bezhanishvili). Complete congruences of up-set lattices Mai Gehrke; Relation Algebra Reducts of Cylindric
Amsterdam-London Workshop on Modal Logic 2006
Date: 16 March 2006
Location: Room I.401, Nieuwe Achtergracht 170, Amsterdam Speakers: Contact: Nick Bezhanishvili

32. Categorical Abstract Algebraic Logic: The Diagram And The Reduction Operator Lem
Información del artículo Categorical abstract Algebraic logic The Diagram and the Reduction Operator Lemmas.

33. Algebraic Logic Functional Language From FOLDOC
Nearby terms Algebraic « Algebraic data type « Algebraic Interpretive Dialogue « Algebraic logic Functional language » Algebraic Manipulation Package Logic Functional language

34. Atlas: Tarskian Algebraic Logic By Tarek Sayed Ahmed
This is a survey talk on Algebraic logic. It gives a historical background leading up to a modern perspective. Central problems in Algebraic logic (like the
Atlas home Conferences Abstracts about Atlas Logic in Hungary, 2005
August 5-10, 2005
Janos Bolyai Mathematical Society
Budapest, Hungary Organizers
A. Hajnal, J. Suranyi (honorary chair) H. Andreka, I. Juhasz, P. Komjath, I. Nemeti (co-chair) G. Sagi (secretary) L. Csirmaz, M. Ferenczi, M. Redei, I. Sain, L. Soukup (member) View Abstracts
Conference Homepage
Tarskian Algebraic Logic
Tarek Sayed Ahmed
University of Cairo, Egypt This is a survey talk on algebraic logic. It gives a historical background leading up to a modern perspective. Central problems in algebraic logic (like the representation problem) are discussed in connection to other branches of logic, like modal logic, proof theory, model-theoretic forcing and Godel's incompleteness results. Several open problems are posed. We focus on cylindric algebras which are natural algebras of n-ary relations. Relation algebras (which are algebras of binary relation) are mostly only covered insofar as they relate to cylindric algebras. Cylindric and relation algebras were introduced by Tarski, hence the title of the talk. Date received: July 8, 2005

35. Libra: Algebraic Logic And Universal Algebra In Computer Science - Algebraic Log
Algebraic logic and Universal Algebra in Computer Science, Conference, Ames, Iowa, USA, June 14, 1988, Proceedings(1990) (citation3)

THE CATEGORIAL APPROACH TO Algebraic logic Relation algebras Notes on quantifiers Definition of relation algebras Another approach Relational algebras
(Kluwer Academic Press,1994) return to Mathematical Structures Group

37. Algebraic Logic
Everyone else in my class is confused about the Algebraic logic and the teacher just isn t explaining it like she should. What can I do?
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algebraic infants algebraic integers algebraic linear programmimg algebraic logarithms ... algebraic inequality in standard form equivalent Author Message Jose Registered User Joined: 22 Apr 03 Posts: 10 Location: Montgomery, US Posted: Tue Apr 22, 2003 6:23 pm ; Post subject: algebraic logic There's no way I'm going to learn this without some help. Everyone else in my class is confused about the algebraic logic and the teacher just isn't explaining it like she should. What can I do? Back to top Profile PM WWW Author Message moderator Joined: 11 Jan 2003 Posts: 1264 Location: Salt Lake City, UT Posted: Tue Apr 22, 2003 6:50 pm ; Post subject: RE: algebraic logic On the bright side, you have help besides fellow students and the teacher. The Algebra Helper software will literally help you work on your own algebra problems at your own pace. By the time you're done with your homework, you can show that teacher (and if you're nice - your classmates too) how it's done. It seems like algebra homework can take forever. It seems like all you do is sit there and stare at the equations hoping that it will just suddenly sink in. And yet…when you're done staring at the homework, you still probably have a ton of other homework to do. You're not dumb. Everyone at one point has hoped for help with algebra that doesn't involved parents, teachers or tutorials. They can help (well, maybe not always the parents), but often you're still left confused and unsure of how to solve the equations that you were assigned.

38. Springer Online Reference Works
Magari algebras are an Algebraic interpretation for provability logic, a10, R. Magari, Algebraic logic and diagonal phenomena , logic Colloquium 82

Encyclopaedia of Mathematics
Article refers to

Magari algebra,
diagonalizable algebra A Boolean algebra enriched with a unary operation . In the so-expanded signature, the Magari algebra is defined by the axioms of Boolean algebra and the following three specific axioms: Here, denotes complementation and the unit is the greatest element of the Magari algebra with respect to the relation . The notation is often employed instead of One sometimes regards the Magari algebra with the dual operation ), defined by the axioms: Here, the zero is the least element of the Magari algebra. In order to distinguish the Boolean part of a Magari algebra, one writes the Magari algebra as the pair or , where is a Boolean algebra. Magari algebras arose as an attempt to treat diagonal phenomena (cf. the diagonalization lemma in ) in the formal Peano arithmetic Arithmetic, formal ) in an algebraic manner. Indeed, the Lindenbaum sentence algebra of Peano arithmetic, , equipped with defined by is an example of a Magari algebra. Here is the of the sentence and means the equivalence class of the arithmetical sentences formally equivalent in Peano arithmetic to the sentence ). The diagonalization lemma is simulated with the following

39. Group In Logic And The Methodology Of Science -
Leon A. Henkin, Professor Emeritus of Mathematics. Ph.D., Mathematics, Princeton, 1947; joined Berkeley faculty in 1953. Algebraic logic, theory of models.
Faculty of the Group
Robert M. Anderson , Professor of Economics and Mathematics. Ph.D., Yale University, 1977. Nonstandard analysis. Branden Fitelson , Assistant Professor of Philosophy. Philosophy of science, logic, automated reasoning. Leo A. Harrington , Professor of Mathematics Recursion theory, model theory, set theory.
  • Office: 765 Evans Hall Phone: E-mail:
John MacFarlane , Associate Professor of Philosophy. Ph.D., Philosophy, University of Pittsburgh, 2000. Philosophy of language, philosophical logic, history and philosophy of logic. Paolo Mancosu , Professor of Philosophy. Ph.D., Philosophy, Stanford, 1989; joined Berkeley faculty in 1995. Logic, philosophy of mathematics. George Necula , Ph.D. Associate Professor of Electrical Engineering and Computer Science.

40. Agi Kurucz`s `Publications` Page
H. Andréka, A. Kurucz, I. Németi and I. Sain Applying Algebraic logic; a general methodology, Preprint, Mathematical Institute of the Hungarian Academy of
Recent reports and publications of Agi Kurucz
Recent reports
A. Kurucz: Weakly associative relation algebras with projections (submitted) Towards a natural language semantics without functors and operands Journal of Logic, Language and Information , vol. 17 (2008), 1-17. (to appear)
D.M. Gabbay, A. Kurucz, F. Wolter and M. Zakharyaschev: Many-dimensional modal logics: theory and applications . Studies in Logic and the Foundations of Mathematics, Volume 148. Elsevier, 2003. ISBN: 978-0-444-50826-3
Chapters in books
A. Kurucz: Combining modal logics , in: Handbook of Modal Logic (eds.: J. van Benthem, P.Blackburn, F. Wolter), Studies in Logic and Practical Reasoning, Volume 3. Elsevier (2007), 869-924. ISBN: 978-0-444-51690-9 R. Kontchakov, A. Kurucz, F. Wolter and M. Zakharyaschev: Spatial logic + temporal logic = ? , in: Handbook of Spatial Logics (eds.: M. Aiello, I. Pratt-Hartmann, J. van Benthem), Springer (2007), 497-564. ISBN 978-1-4020-5586-7
Journal articles
D. Gabelaia, A. Kurucz, F. Wolter and M. Zakharyaschev: Non-primitive recursive decidability of products of modal logics with expanding domains Annals of Pure and Applied Logic , vol. 142 (2006), 245-268.

41. The Online Books Page: Browse Subject: Algebraic Logic
Browsing subject area Algebraic logic (About this browser) The Algebra of logic , by Louis Couturat, trans. by Lydia Gillingham Robinson (frame and

42. Algebraic Logic Functional Language - Computing Reference -
Information and links on Algebraic logic Functional language.
By Letter: Non-alphabet A B C ... Email this page to a friend
Algebraic Logic Functional language
functional programming and logic programming techniques.
ALF is based on Horn clause logic with equality which consists of predicates and Horn clauses for logic programming , and functions and equations for functional programming
Any functional expression can be used in a goal literal and arbitrary predicates can occur in conditions of equations.
ALF uses narrowing and rewriting.
ALF includes a compiler to Warren Abstract Machine code and run-time support
["The Implementation of the Functional-Logic Language ALF", M. Hanus and A. Schwab].
Terms Containing Algebraic Logic Functional language algebra


algebraic data type
... Contact

43. Halmos: Algebraic Logic, I. Monadic Boolean Algebras
Algebraic logic, I Monadic Boolean algebras Paul R. Halmos by Préface. The purpose of the séquence of papers here begun is to make algebra out of logic.

44. Citebase - Algebraic Geometry In First Order Logic
In this paper the FOL formulae are considered in the context of Algebraic logic. With this aim we define special Halmos categories.

45. Algebraic Logic
As well as looking at the theory of Algebraic logic we will study the links with universal algebra, classical logic, game theory and modal logic.
Algebraic Logic
Workshop Organizer: Robin Hirsch, University College London
A brief description: This course will start with an introductory tutorial explaining the origins and early development of this subject and will continue with more advanced, central topics in algebraic logic. As well as looking at the theory of algebraic logic we will study the links with universal algebra, classical logic, game theory and modal logic. List of speakers in the algebraic logic workshop (subject to change)
  • Agi Kurukz: Introduction to algebraic logic. 60 minutes
  • Ian Hodkinson: The Rainbow construction. 45 minutes
  • Szabolcs Mikulas: Reducts of relation algebras. 45 minutes
  • Tarek Ahmed: Relation algebras, cylindric algebras and neat reducts. 45 minutes
  • Robin Hirsch: Algebraic logic and first-order proof theory. 45 minutes
  • Yde Venema: Complex Algebras. 45 minutes
  • 46. SHARP
    Direct Algebraic logic (D.A.L.). Until the introduction of SHARP s D.A.L., keying in equations had been a complicated process making scientific calculators
    For Graphing Reversible Keyboard Pen-Touch Operation Equation Editor Shift/Change Graph ... Rapid Graph/Window/Zoom For Standard Direct Algebraic Logic (D.A.L.) Multi-Line Playback Constant/Chain Calculations Numerical Derivative/Integral Formula Memory ... Matrix Function
    Until the introduction of SHARP's D.A.L., keying in equations had been a complicated process making scientific calculators difficult to use. Introduced in 1992 and an industry-first, SHARP's D.A.L. allows symbols and numbers of an equation to be entered as they are written. Instead of wasting energy on difficult calculator operations, users are free to concentrate on mathematical concepts. You have to push the keys in a different order than the actual equation, making the input process confusing. You push the keys in the same order as the actual equation.

    47. Algebraic Logic And Universal Algebra In Computer Science 1988
    Algebraic logic and Universal Algebra in Computer Science, Conference, Ames, Iowa, USA, June 14, 1988, Proceedings. Lecture Notes in Computer Science 425
    Algebraic Logic and Universal Algebra in Computer Science 1988: Ames, Iowa, USA
    Clifford Bergman Roger D. Maddux Don Pigozzi (Eds.): Algebraic Logic and Universal Algebra in Computer Science, Conference, Ames, Iowa, USA, June 1-4, 1988, Proceedings. Lecture Notes in Computer Science 425 Springer 1990, ISBN 3-540-97288-9 BibTeX DBLP
    Invited Papers
    Contributed Papers

    48. Theoretical Philosophy Colloquium - Program
    Algebraic logic, Alfréd Rényi Institute of Mathematics, Budapest. A conceptual analysis of the relativistic clock paradox
    Printable poster:
    The Forum is open to everyone , including students, visitors, and faculty members from all departments and institutes!
    The 60 minute lecture is followed by a 10 minute break and a 30-60 minute discussion. The language of presentation is English or Hungarian.
    The scope of the Forum includes all aspects of theoretical philosophy , including:
    • logic and philosophy of formal sciences philosophy of science modern metaphysics epistemology philosophy of language problems in history of philosophy and history of science, relevant to the above topics particular issues in natural and social sciences, important for the discourses in the main scope of the Forum.

    4 June 4:00 PM Room 208 Hajnal Andr©ka
    Istv¡n N©meti

    Algebraic Logic, Alfr©d R©nyi Institute of Mathematics, Budapest
    Relativistic computing and the Turing barrier
    - Can general relativistic computers break the Turing barrier? - Are there final limits to human knowledge? - Limitative results versus human creativity (paradigm shifts). - G¶del’s logical results in comparison/combination with G¶del’s relativistic results. - Can Hilbert’s programme be carried through after all? Of all the entities I have encountered in my life in physics, none approaches the black hole in fascination. And none, I think, is a more important constituent of this universe we call home. The black hole epitomizes the revolution wrought by general relativity. It pushes to an extreme—and therefore tests to the limit—the features of general relativity (the dynamics of curved spacetime) that set it apart from special relativity (the physics of static, “flat” spacetime) and the earlier mechanics of Newton. Spacetime curvature. Geometry as part of physics. Gravitational radiation. All of these things become, with black holes, not tiny corrections to older physics, but the essence of newer physics.

    49. Webpage.html
    Workshop on Universal Algebraic Techniques in Semigroup Theory and logic As part of the V.A.C. 21st birthday celebrations we are this year incorporating
    Global Utilities Search: Global Navigation
    Mathematics Department, La Trobe University, Victoria 3086, Australia
    September 29 to October 1, 2003 AIMS
    • Victorian Algebra Conference: The aim of the annual Victorian Algebra Conference is to improve communication among algebraists in Australia in general and in Victoria in particular and to stimulate research. We interpret algebra quite broadly to include, for instance, overlapping areas such as algebraic topology, effective algebra, graph theory, topological algebra and computer algebra. Workshop on Universal Algebraic Techniques in Semigroup Theory and Logic: As part of the V.A.C. 21st birthday celebrations we are this year incorporating within the conference a Workshop on Universal Algebraic Techniques in Semigroup Theory and Logic. As well as a number of general presentations, the workshop will include a series of one hour presentations by Professor George McNulty (University of South Carolina).

    50. HeiDOK
    03G30 Categorical logic, topoi ( 0 Dok. ) 03G99 None of the above, but in this section ( 0 Dok. ) 03Gxx Algebraic logic ( 0 Dok.

    51. Powell's Books - Universal Algebra, Algebraic Logic, & Databases By B. I. Plotki
    Includes bibliographical references (p. 423433) and index

    52. Rasiowa Biography
    Her thesis, presented in 1950, was on algebra and logic Algebraic treatment of Her main research was in Algebraic logic and the mathematical foundations
    Helena Rasiowa
    Born: 20 June 1917 in Vienna, Austria
    Died: 9 Aug 1994 in Warsaw, Poland
    Click the picture above
    to see two larger pictures Show birthplace location Previous (Chronologically) Next Main Index Previous (Alphabetically) Next Biographies index
    Version for printing
    Although Helena Rasiowa was born in Vienna, her parents were Polish. In 1918 Poland regained its status as an independent nation and Rasiowa's parents moved to Warsaw. She was educated there, obtaining a good secondary school education with music lessons taken at a special music school. After completing her school studies she took a course in business management before entering university. Rasiowa entered the University of Warsaw in 1938 but, after the German invasion of Poland in 1939, the university closed. Rasiowa and her parents moved to Lvov but the Poles were trapped between the Soviets and the Germans and Lvov came under Soviet control. Life there seemed even more difficult than under German occupation, so after a year the family returned to Warsaw. There was an impressive collection of mathematicians at the University of Warsaw at this time including Borsuk Lukasiewicz Mazurkiewicz Sierpinski ... Mostowski and others. They had organised an underground version of the university which was strongly opposed by the Nazi authorities.

    Algebraic logic Functional language (ALF) A language by Rudolf Opalla which combines functional programming and logic programming techniques. Logic Functional language
    Philip M. Parker, INSEAD.
    Domain Definition
    Algebraic Logic Functional language (ALF) A language by Rudolf Opalla which combines functional programming and logic programming techniques. ALF is based on Horn clause logic with equality which consists of predicates and Horn clauses for logic programming, and functions and equations for functional programming. Any functional expression can be used in a goal literal and arbitrary predicates can occur in conditions of equations. ALF uses narrowing and rewriting. ALF includes a compiler to Warren Abstract Machine code and run-time support. ( ["The Implementation of the Functional-Logic Language ALF", M. Hanus and A. Schwab]. (1992-10-08). Source: The Free On-line Dictionary of Computing Source: compiled by the editor from various references ; see credits. Top
    Specialty definitions using "ALGEBRAIC LOGIC FUNCTIONAL LANGUAGE" ALF references Top
    Hexadecimal (or equivalents, 770AD-1900s)

    54. Internet Web Search, Boolean Algebra Logic
    The logic of Boolean Algebra. The logical simplicity of boolean algebra enables the construction of powerful, efficient search queries.
    Internet Contents <- Previous ^ Up ... Expert Searching
    The Logic of Boolean Algebra
    The logical simplicity of boolean algebra enables the construction of powerful, efficient search queries. The concept of boolean algebra is embedded in human psychology, in our very biological understanding of how the world works. It is the foundation for all of mathematics , most of science, and much of philosophy. But more importantly, it is useful for the construction of advanced Internet search queries, and is used throughout the examples in the following pages. The subsections below provide information on boolean expressions , the boolean operators AND OR , and NOT , some boolean tricks , and and a list of boolean capable search sites Expressions . It is easier to understand boolean algebra when we compare it to the familiar arithmetic algebra we learned in school, with the operators +, , x, / combined with operands in expressions like the following: ( a + b ) x c When we know the values of the operands of an algebraic expression, then we can figure out the overall value. For example, if a=2, b =3, and c=4, then the overall value of the above expression is 20.

    55. Research Unit "Algebra And Logic" At The University Of Saskatchewan
    The Algebra and logic Group was founded in 1997. It has been approved as a research unit in the College of Arts and Science in August of 2002, It is devoted
    of the
    University of Saskatchewan

    106 Wiggins Road
    Saskatoon, SK, S7N 5E6, Canada
    Phone: (306) 966-6081 - Fax: (306) 966-6086 UPCOMING EVENTS:
    Saskatoon, April 1 and 2, 2005
    Saskatchewan Mathematics Mini-Meeting
    Regina, April 15 and 16, 2005
    • Murray Marshall , professor. Franz-Viktor Kuhlmann , professor. Salma Kuhlmann , professor. Murray Bremner , professor. Pavel Gladki, graduate student. Trevor Green, graduate student. Manuela Haias, graduate student. Bogdan Lataianu, graduate student. Wei Fan, graduate student. A frequent and welcome guest to our seminar: Rajesh Pereira, assistant professor.
    Additional Members 2001 - 2003:
  • Jaka Cimpric (Ljubljana), NATO postdoctoral fellow, July 2001 - June 2003 Roland Auer, postdoctoral fellow, January 2002 - May 2003 Mikhail Kotchetov, postdoctoral fellow, September 2002 - July 2003 Alexander Nenashev, short term postdoctoral fellow. Igor Klep (Ljubljana), PhD student. He is Cimpric's student.
  • 56. Read This: Logic As Algebra
    Read This! The MAA Online book review column reviews of logic as Algebra by Halmos and Givant.
    Read This!
    The MAA Online book review column
    Logic as Algebra
    by Paul Halmos and Steven Givant
    Reviewed by Mark Johnson
    The intent of Logic as Algebra is expressed clearly in its preface: show that logic can (and perhaps should) be viewed from an algebraic perspective. When so viewed, many of its principal notions are seen to be old friends, familiar algebraic notions that were "disguised" in logical clothing. Moreover, the connection between the principal theorems of the subject and well-known theorems in algebra becomes clearer. Even the proofs often gain in simplicity. To this end, authors Paul Halmos and Steven Givant have written a brief, engaging text aimed at both amateurs and professionals, which requires only a course in modern algebra as background. Since one of this book's potential uses is as a course text, an outline of its contents may be helpful:
    • What is Logic?
      An introductory parable and mini-logic prepare the reader to meet propositional logic.
    • Propositional Calculus
      A fairly traditional development of propositional logic.

    57. Boolean Algebra And Logic Circuits
    This page contains Digital Electronics tutorial, Combinational logic, Sequential logic, Kmaps, digital numbering system, logic gate truth tables,
    @import url(/css/main.css); @import url(/css/syntax.css); Boolean Algebra and Logic Circuits Dec-14-2007 Symbolic Logic Precedence Function Definitions Truth Tables ... Truth Table Web Do you have any Comment? mail me at:

    58. INI Programme LAA Conference - Mathematics Of Constraint Satisfaction: Logic, Al
    Algebra, logic and Graph Theory. 20 24 March 2006. Organisers Peter Jeavons (Oxford) and Andrei Krokhin (Durham). Scientific Enquiries Andrei Krokhin
    An Isaac Newton Institute Satellite Workshop - University of Oxford
    Mathematics of Constraint Satisfaction:
    Algebra, Logic and Graph Theory
    20 - 24 March 2006 Organisers Peter Jeavons ( Oxford ) and Andrei Krokhin ( Durham
    Scientific Enquiries in association with the Newton Institute programme entitled Logic and Algorithms
    Theme of Conference:
    The study of constraint satisfaction problems (CSPs) began in the 1970's in artificial intelligence, where this paradigm is now as popular as ever, with hundreds of researchers using this framework to model and solve a wide variety of problems. In 1978, Thomas Schaefer published a seminal paper on the complexity classification of Boolean CSPs, and since then the importance of the CSP in theoretical computer science has continued to grow. For example, many standard complete problems for standard complexity classes are variants of CSPs, and some of the first optimal inapproximability results in combinatorial optimization were proved for certain CSPs. During the last 10 years, researchers studying the complexity of CSPs have discovered deep connections between this framework and many areas of mathematics, the strongest links currently being with universal algebra and lattice theory, logic and finite model theory, and graph theory and combinatorics. The corner-stone of logical and combinatorial approaches to CSP is the fact that many questions about constraint satisfaction can be stated as questions about homomorphisms between relational structures (e.g., graphs). The universal-algebraic approach assigns a finite algebra to every CSP and employs the properties of the algebra to study the properties of the CSP.

    59. MathsCSP Workshop 2006
    The International Workshop on Mathematics of Constraint Satisfaction Algebra, logic and Graph Theory is a satellite workshop associated with the programme
    International Workshop on
    Mathematics of Constraint Satisfaction:
    Algebra, Logic and Graph Theory 20-24 March 2006
    St Anne's College, University of Oxford Workshop Home

    Plenary Lectures

    Short Talks

    Organizers Andrei Krokhin
    Peter Jeavons

    Travel Venue
    Travel and Maps
    Accommodation Links Logic and Algorithms In Oxford Oxford City Visit Oxford Open problems [ pdf ] (updated 25 April) All slides now available as PDF files Photo galleries now available Post-Workshop News The immensely positive feedback from participants leads us to believe that the workshop was a huge success! Thanks are due to the hard work of all the speakers, the staff at Oxford and the sponsors [ not to mention the organizers! - Martin]. The open problems [ pdf ] raised at the workshop have now been compiled by the organizers and are available for download. If you have any comments or suggestions for these or other open problems please let us know via the email links on the contacts page. The slides used by all speakers are available on the programme page and also on the individual tutorials plenary lectures and short talks pages. By request, we have made PDF the unifying format for these slides. Where speakers have provided only PowerPoint or PostScript files we have converted these to PDF. (Conversions are not always accurate, particularly with animations, in which case please try the non-PDF version of the slides where possible.)

    Home Browse by Subject Bestsellers New Titles ... Browse all Subjects Search Bookshop New Titles Editor's Choice Bestsellers Book Series ... Advances in Logic - Vol. 2
    by Marcelo Fabián Frias (University of Buenos Aires, Argentina)
    Table of Contents


    Chapter 1: Introduction and Motivations
    Fork algebras are a formalism based on the relational calculus, with interesting algebraic and metalogical properties. Their representability is especially appealing in computer science, since it allows a closer relationship between their language and models. This book gives a careful account of the results and presents some applications of Fork algebras in computer science, particularly in system specification and program construction. Many applications of Fork algebras in formal methods can be applied in many ways, and the book covers all the essentials in order to provide the reader with a better understanding.
    • Introduction and Motivations
    • Algebras of Binary Relations and Relation Algebras
    • Proper and Abstract Fork Algebras
    • Representability and Independence
    • Interpretability of Classical First-Order Logic
    • Algebraization of Non-Classical Logics
    • A Calculus for Program Construction

    Readership: Graduate students and researchers using relational methods in computer science.

    61. Wiki Boolean Algebra (logic)
    Boolean algebra (or Boolean logic) is a logical calculus of truth values, developed by George Boole. It resembles the algebra of real numbers as taught in
    Wiki: Boolean algebra (logic) Contents:
    1. Values

    1. 1. Conventions

    1. 2. Applications

    2. Operations
    ... Wapedia: For Wikipedia on mobile phones

    62. Universal Algebra And Logic
    Abstract Algebra and logic are closely related and often mutually beneficial companions. In this talk, I will show how the logical property of

    63. Algebra And Logic - Algebra Journals, Books & Online Media | Springer
    Algebra and logic Algebra. Algebra and logic is a translation of ALGEBRA I LOGIKA, a publication of the Siberian Fund for Algebra and logic and the

    64. A Home Page On Higher-Order Specifications
    First Int. Workshop on HigherOrder Algebra, logic and Term Rewriting, Lecture Notes in Computer Science 816, Springer Verlag, Berlin, 1994.

    65. That Logic Blog
    This workshop aims to bring together researchers working in category theory, universal algebra, logic and their applications to computer science in order to
    @import url(""); @import url("");
    That Logic Blog
    May 31, 2007
    I fly off to the land up over on Saturday to attend various things as well as for a bit of a holiday. For the insatiably curious, there is a preprint floating around now covering the things I will be talking about: Coherence without unique normal forms. posted by Jon @ 1:10 PM 0 comments
    January 24, 2007
    Workshop Program
    The program for the workshop in Canberra on 5 - 7 February is now available here
    It's not too late to register if you want to come along for the fun!
    posted by Jon @ 4:23 PM 0 comments
    December 07, 2006
    We're having a workshop!
    Universal Structures in Mathematics and Computing

    The Australian National University
    Canberra, Australia
    5 - 7 February 2007
    Starting from very different motivations, various groups of mathematicians and computer scientists have sought to describe abstract structures in great generality. This parallel evolutionary process has led to various groups of researchers working on highly interrelated areas, though unable to effectively communicate with each other due to vastly differing languages.
    This workshop aims to bring together researchers working in category theory, universal algebra, logic and their applications to computer science in order to highlight recent advances in these fields and to facilitate dialogue between the different camps. Of particular interest is work which spans two or more of these areas.

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