How to avoid "Cannot guess decreasing argument of fix." in Coq...

De Bruijn indices in Isabelle and Coq...

Coq: Unification fails with record...

How to install the coq 8.14 (or 8.15) package with opam pin when it says it can't find it?...

type variable in datatype definition...

How do I exit coqtop REPL?...

Proving Union of Ensemble is not Empty_set...

Is it possible to convert all higher-order logic and dependent type in Lean/Isabelle/Coq into first-...

Printing Coq definition without loading library...

Software Foundations: weak_pumping lemma proof...

How can I write a proof to match inductive type without using forall in its subterm?...

Definition by minimization in Coq...

Proof that "if m <= n then max(m, n) = n" in Coq...

Proof of "less than or equal" transitive law in Coq...

Default Implementation of Coq typeclass methods...

How to rearrange newly defined associative terms in Coq?...

Overloading operators in Coq via typeclasses and notation scopes: Is there anything special about th...

setoid_rewrite failed with MathClasses Coq...

Prove equality with eq_rect without UIP...

Coq : replace hypothesis into implication...

How to use a definition in Coq?...

Coq: rewriting under a pointwise_relation...

How does one compute/create a concrete/actual string in coq to pass to functions or store in a varia...

Why S n' =? S n' simplifies to n' =? n' in Coq?...

Stuck on the proof of a simple Lemma: which induction should I use?...

Agda: Failed to solve the following constraints: P x <= _X_53 (blocked on _X_53)...

Coq: Implementation of splitstring and proof that nothing gets deleted...

Proving enumerate(...) to range(len(...)) equality...

Understanding how pattern matching works in Coq...

Cannot focus on a remaining unfocused goal in Coq...