How to prove insert_BST in Coq...

Warning : “Set this option from the IDE menu instead” in coq...

Creating Coq tactic: how to use a newly generated name?...

Why does Coq remove/clear my asserted lemmas in my proof after the base case is proved?...

How can I rewrite "+ 1" (plus one) to "S" (succ) in Coq?...

What is the right proof term so that the ssreflect tutorial work with the exact: hAiB example?...

coq: Tactic to replace true hypothesis in 'and' statement...

Tactic for existential hypothesis...

Remove useless hypothesis from context...

How do you selectively simplify arguments to each time a function is called, without evaluating the ...

Coq: goal is just a type (when using theorems with unnecessary arguments)...

Coq: prove while is equivalent to repeat...

Coq: How are the equality tacticts symmetry and transitivity defined?...

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

How can I write a tactic which works both in a goal and a hypothesis?...

Coq's proof #Coq...

How to save the current goal / subgoal as an `assert` lemma...

How to Import Coq library HoTT in CoqIde...

Coq/SSReflect: standard way to case on (x < y) + (x == y) + (y < x)?...

Coq seemingly refuses to recognize a simple substitution of a propositional formula for a propositio...

How to replace a term with some property of the term?...

How to try a tactic in Ltac, but continue if it fails...

What is the tactic that does nothing?...

Coq: why do I need to manually unfold a value even though it has a `Hint Unfold` on it?...

How to prove Theorem plus_lt : forall n1 n2 m, n1 + n2 < m -> n1 < m /\ n2 < m...

Can't figure out why re-write does not work...

How to prove `plus_le_compat_l : forall n m p, n <= m -> p + n <= p + m.`...

What does the tactic destruct do in the proof below?...

How to tell Coq that it's okay to remove the `n`s?...

How to split equality of two lists?...