Search Results for "deductive"
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Showing 19 open source projects for "deductive"
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alphageometry
AI-driven neuro-symbolic solver for high-school geometry problems
AlphaGeometry, developed by Google DeepMind, is a theorem-proving system that combines symbolic reasoning with deep learning to solve challenging geometry problems, such as those found in mathematical Olympiads. The repository provides the full implementation of DDAR (Deductive Difference and Abductive Reasoning) and AlphaGeometry, two automated geometry solvers described in the 2024 Nature paper “Solving Olympiad Geometry without Human Demonstrations.” AlphaGeometry integrates a symbolic deduction engine with a transformer-based language model to propose and validate geometric constructions in a stepwise proof process. ... -
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Mangle
Go library for Datalog-style logical reasoning and domain modeling
Mangle is a programming language developed by Google for deductive database programming, serving as an advanced extension of Datalog. It is designed to unify and query data from multiple sources in a structured, declarative way while allowing developers to model complex relationships and domain knowledge beyond binary predicates. Mangle enhances traditional Datalog by introducing features such as aggregation, function calls, and optional type-checking, which make it more practical for modern data-intensive applications. ... -
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Datalog Educational System
Deductive Database with Datalog, SQL, RA, TRC, DRC
The Datalog Educational System (DES) is a deductive database with Datalog, SQL, Relational Algebra, Tuple Relational Calculus and Domain Relational Calculus as query languages developed mainly for education. It can be used from most common Prolog interpreters over any supported OS and from portable executables (Windows, Linux and MacOS). -
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Logic Programming and Deductive Database system (Tabled Prolog) for Unix, Mac, and Windows.
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ConceptBase.cc
A Database System for Metamodeling and Method Engineering
ConceptBase.cc is a multi-user deductive and object-oriented database system for metamodeling and method engineering. Includes a graphical client that builds upon the logic-based features of the ConceptBase.cc server. The data model is O-Telos. ConceptBase.cc can represent information at the data level (example data, traces of process executions etc.), the class level (schemas, process definitions etc.), the metaclass level (constructs of modeling languages), the meta-metaclass level (constructs for defining modeling languages), and so forth. ... -
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The Datalog package contains a lightweight deductive database system. Queries and database updates are expressed using Datalog—a declarative logic language in which each formula is a function-free Horn clause, and every variable in the head of a clause must appear in the body of the clause. The use of Datalog syntax and an implementation based on tabling intermediate results, ensures that all queries terminate.
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Logicheck
An interactive tool to test logical structures and expressions
...It sets out logical expressions with symbols such as "AND" and "OR" in a graphical user interface. A truth table can then be generated for any such set of expressions. It can also be used to test the validity of deductive arguments - the program will advise whether an argument is valid and if not, list the counter examples to the argument. -
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Quarto
Popular board game of deductive reasoning.
You can play the standard Quarto version where the aim is to line up 4 pieces that share the same attribute (round or square; light or dark; big or small; solid or hollow). A second variant of the game is 2x2-Quarto where one can win by placing four matching pieces in a 2x2 square. You can choose between five levels of difficulty. -
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gramma's grammar
Parsing the Dynamic Operator Precedence Grammar
This project aims to deliver a table-driven type-sensitive full "operator precedence" parser. The project is required by principia. Milestone one is the single-type case, sufficient for universal algebras and deductive systems (in the sense of Blok and Pigozzi, and including propositional logics). Milestone two is the parser for the multi-typed operator precedence grammar, required for predicate logics. -
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Yadlr
Yadlr toolset for many-valued inference
Yadlr is a toolset for many-valued inference, both deductive and inductive. It features a fuzzy reasoner, using CLP(Q,R) to implement fuzzy algebra on top of a resolution-based back-end. It also features Prodlr, an ILP system targeted at learning Description Logics and threaded-variable theories, like DCGs. -
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OO jDREW is an open source deductive reasoning engine for the RuleML web rule language. OO jDREW implements the object oriented extensions to RuleML which include: Order Sorted Types, Slots, and Object identifiers.
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BDD-Based Deductive Database, an implementation of Datalog that uses Binary Decision Diagrams as the underlying data structure. This allows it to represent exponentially-sized relations efficiently.
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jDREW (Java Deductive Reasoning Engine for the Web) is a highly configurable reasoning engine written in Java for definite clause reasoning. Through its diverse APIs, jDREW can be easily embedded into a larger Java system.
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bddshell is a command line program for deductive database-based analysis. Its primary focus is software vulnerability detection. It acts as a front-end to a number of other programs, such as bddbddb and joeq.
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The objective of this project is to create an application that will embed the functionality of a deductive reasoning system into a spreadsheet interface.
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Cigol (logic, spelled backwards) is a deductive logic solver. It can be embedded inside a parent program or used from the command line. It has absolutely no relationship to Tom Mitchell's book on Machine Learning.
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When this project is complete, a user may enter in an deductive argument in standard form, and out pops a fresh, baked validity judgement.
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