RingTactics
Require Export Ring.
The idea is to put all ring expressions occuring in the goal into normal form. This tactic could use lots of improvement.
Ltac ringsimpl :=
match goal with
| |- (_ ?a ?b) => ring a b
| |- (?a ?b ?c) => try ringsimpl a; try ringsimpl b; try ringsimpl c
end.Instead of this tactic, you can now do replace a with b by ring in Coq. Unfortuately this doesn't work for setoid_replace.See also TacticExts#LHS for using replace with LHS and RHS.
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