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» Type theory in type theory using quotient inductive types
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SCP
2011
255views Communications» more  SCP 2011»
13 years 1 months ago
Map fusion for nested datatypes in intensional type theory
A definitional extension LNGMIt of the Calculus of Inductive Constructions (CIC), that underlies the proof assistant Coq, is presented that allows also to program with nested dat...
Ralph Matthes
CADE
2006
Springer
14 years 6 months ago
Combining Type Theory and Untyped Set Theory
Abstract. We describe a second-order type theory with proof irrelevance. Within this framework, we give a representation of a form of Mac Lane set theory and discuss automated supp...
Chad E. Brown
IMPERIAL
1993
13 years 10 months ago
Deriving Category Theory from Type Theory
This work expounds the notion that (structured) categories are syntax free presentations of type theories, and shows some of the ideas involved in deriving categorical semantics f...
Roy L. Crole
TPHOL
2009
IEEE
14 years 27 days ago
A Brief Overview of Agda - A Functional Language with Dependent Types
Abstract. We give an overview of Agda, the latest in a series of dependently typed programming languages developed in Gothenburg. Agda is based on Martin-L¨of’s intuitionistic t...
Ana Bove, Peter Dybjer, Ulf Norell
CALCO
2011
Springer
214views Mathematics» more  CALCO 2011»
12 years 6 months ago
Indexed Induction and Coinduction, Fibrationally
This paper extends the fibrational approach to induction and coinduction pioneered by Hermida and Jacobs, and developed by the current authors, in two key directions. First, we pr...
Clément Fumex, Neil Ghani, Patricia Johann