diff options
| -rw-r--r-- | src/Algebra.v | 3 | ||||
| -rw-r--r-- | src/Util/Tactics.v | 14 |
2 files changed, 17 insertions, 0 deletions
diff --git a/src/Algebra.v b/src/Algebra.v index f71807fff..153871d4c 100644 --- a/src/Algebra.v +++ b/src/Algebra.v @@ -1304,6 +1304,9 @@ Ltac only_two_square_roots := Require Import Coq.setoid_ring.Ring_tac. Ltac ring_simplify_subterms := tac_on_subterms ltac:(fun t => ring_simplify t). +Ltac ring_simplify_subterms_in_all := + reverse_nondep; ring_simplify_subterms; intros. + Section Example. Context {F zero one opp add sub mul inv div} `{F_field:field F eq zero one opp add sub mul inv div}. Local Infix "+" := add. Local Infix "*" := mul. Local Infix "-" := sub. Local Infix "/" := div. diff --git a/src/Util/Tactics.v b/src/Util/Tactics.v index 5ff9d203c..aa8093308 100644 --- a/src/Util/Tactics.v +++ b/src/Util/Tactics.v @@ -308,3 +308,17 @@ Ltac tac_on_subterms tac := | [ |- context[?t] ] => progress tac t end. + +(** Like [Coq.Program.Tactics.revert_last], but only for non-dependent hypotheses *) +Ltac revert_last_nondep := + match goal with + | [ H : _ |- _ ] + => lazymatch goal with + | [ H' : appcontext[H] |- _ ] => fail + | [ |- appcontext[H] ] => fail + | _ => idtac + end; + revert H + end. + +Ltac reverse_nondep := repeat revert_last_nondep. |