How can I prove Proof Irrelevance from Propositional Extensionality in Coq?...

how to prove 2 step induction of list in coq using fix tactic...

What is the difference between Lemma and Theorem in Coq...

Coq Error Syntax error: '.' expected after [gallina] (in [vernac_aux])...

Dependent Pair Types...

I'm having difficulty definining a property in Coq, not sure how to approach...

Coq is reusing a term in Induction Hypothesis, instead of creating a fresh one...

How to prove theorems about mutual inductive types by using tactics in Coq?...

Efficient Record Construction in Coq: Is Direct Proof Inclusion Possible?...

Agda-like programming in Coq/Proof General?...

Coq using lemma itself for proof...

Pigeonhole proof without decidable equality or excluded middle...

Why does Coq solve_in_Union tactic fail directly but works through assertion of identical goal?...

How to prove existence in COQ?...

How can I prove excluded middle with the given hypothesis (forall P Q : Prop, (P -> Q) -> (~P ...

Lemma cannot be used as a hint...

Unfolding an opaque fixpoint in Coq...

Ltac for deterministic rewriting/sorting of operands...

Can I use a tactics under `coqtop -nois`?...

What is to be used in place of exfalso omega?...

Casting a value from one fintype to another?...

How can we use the familiar notation of integer arithmetics in ssreflect?...

Stuck at a simple inequality of natural number proof in Coq...

Coq - VSCode highlight Compute command in blue...

Turn `P(?x)` into `exists x,P(x)` to give different instantiations for different subgoals in Coq...

Why doesn't Coq notation defined by other notation working well?...

"Cannot guess decreasing argument of fix" error when defining a Fixpoint for extracting th...

Wrong Typeclass Instance used in Coq Proof...

Coq's Search command and modules...

How to make OCaml (or Coq) code from the llvmir code using vellvm framework...