Definition, Fixpoint
Fact, Lemma, Theorem, Corollary, Example, Goal
Proof, Qed, Defined, Admitted, Abort, Show Proof
Arguments, Implicit Types, Opaque
Section, Variable, End
Module, End, Import, Parameter
From Coq Require Import Lia
Notation
Check, Compute, Eval, Scheme
Print, Print All, About, Locate, Search, Search concl:
Print Assumptions
Set Printing All, Implicit, Universes
Unset Printing …
Unset Elimination Schemes
Fail, Restart