How to have a proposition of comparing two 'int' types in Coq?...

Need finding the right tactic over Int.lt...

How to express "there exists a unique X" in Coq?...

Step by step simplification in coq?...

'else' in definitions - Coq...

Coq nat type check on match...

What is the downside of using functional extensionality in COQ...

Find the definition and notations like ++ in Coq...

Coq: Insufficient Justification error...

Where did lt_index go?...

How can a coq Set or Type be a proposition...

Coq: apply transitivity with substitution...

What's the square bracket syntax [ |- Set] in Coq?...

How to express subset relation in Coq?...

Coq type error when matching with type family...

Print existing setoids and morphisms in Coq...

In Coq: inversion of existential quantifier with multiple variables, with one command?...

Unfolding nested definitions in Coq...

multiple successes in Coq branching and backtracking?...

what's the correct usage for Coq "local application of tactics"?...

Coq inversion tactic that works on the goal?...

What's the difference between revert and generalize tactics in Coq?...

Coq: a single notation for multiple constructors...

Where is the Extensionality of predicates axiom Coq...

Coq: Unknown interpretation for negative integer expressions...

example for introduction pattern (p1 & ... & pn) does not work...

How to apply Fixpoint definitions within proofs in Coq?...

`No more subgoals, but there are non-instantiated existential variables` in Coq proof language?...

Is one being penalized by using 'same_relation' (and possibly other library definitions)?...

Best way to handle (sub) types of the form `{ x : nat | x >= 13 /\ x <= 19 }`?...