Coq difficulties in defining constructors using coerced types...

Require, Import, Require Import...

Proving General Associativity in Groups...

How to prove equality from equality of Some...

Expressing "almost Properness" under option type...

Why does removing assumptions change the behaviour of the induction tactic?...

Theorem on insertion into BST in coq...

How to extend a grammar in coq?...

Is it possible to turn a context pattern into a Gallina function?...

Discriminate goal in Coq...

Defining intersection types in Coq...

What is the difference between definitions and theorems?...

How do destruct list in Coq (nil or not nil)...

Abstracting patterns in induction rule for inductive predicates for Coq...

Coq : Admit assert...

Coq proof that p<q or p>=q...

Recursive use of typeclass methods in Coq...

Case analysis with intros in Coq...

Case construct for Coq development...

How to rewrite given two dependent types are equal in Coq...

Overcoming the need of having a constructor in the definition of an other constructor...

How to use coercion with sig in coq...

Rewriting with John Major's equality...

How to define an empty set with axiom of subsets in coq...

Closing a lemma on list of nats...

How to use rewrite on a subexpression of the current goal...

Show that a monic (injective) and epic (surjective) function has an inverse in Coq...

Are all homomorphisms proper?...

How to build a list of heterogeneous dependant pairs in Coq...

How to show injectivity of a function?...