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Simplify sets in hypotheses, too

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This commit is contained in:
Adam Chlipala 2017-03-12 21:27:59 -04:00
parent 89b1b74c7b
commit c8322773a4
1 changed files with 8 additions and 0 deletions
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8
Sets.v
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@ -568,6 +568,10 @@ Ltac quote E env k :=
Ltac sets_cbv := cbv beta iota zeta delta [interp_normal_form normalize_setexpr nth_default
setmerge Elements Other nth_error map dedup member beq_nat orb
andb included].
Ltac sets_cbv_in H := cbv beta iota zeta delta [interp_normal_form normalize_setexpr nth_default
setmerge Elements Other nth_error map dedup member beq_nat orb
andb included] in H.
Ltac normalize_set :=
match goal with
@ -575,6 +579,10 @@ Ltac normalize_set :=
quote (@union A X Y) (@nil A) ltac:(fun e env =>
change (@union A X Y) with (interp_setexpr env e));
rewrite <- normalize_setexpr_ok; sets_cbv
| [ H : context[@union ?A ?X ?Y] |- _ ] =>
quote (@union A X Y) (@nil A) ltac:(fun e env =>
change (@union A X Y) with (interp_setexpr env e) in H);
rewrite <- normalize_setexpr_ok in H; sets_cbv_in H
end.
Ltac compare_sets :=