The Agda Universal Algebra Library, Part 1: Foundation

William DeMeo

The Agda Universal Algebra Library (UALib) is a library of types and programs (theorems and proofs) we developed to formalize the foundations of universal algebra in dependent type theory using the Agda programming language and proof assistant. The UALib includes a substantial collection of definitions, theorems, and proofs from general algebra and equational logic, including many examples that exhibit the power of inductive and dependent types for representing and reasoning about relations, algebraic structures, and equational theories. In this paper we describe several important aspects of the logical foundations on which the library is built. We also discuss (though sometimes only briefly) all of the types defined in the first 13 modules of the library, with special attention given to those details that seem most interesting or challenging from a type theory or mathematical foundations perspective.

Knowledge Graph

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