[[ProofCafe]] Ltac crush' lemmas invOne := let sintuition := simpl in *; intuition; try subst; repeat (simplHyp invOne; intuition; try subst); try congruence in let rewriter := autorewrite with cpdt in *; repeat (match goal with | [ H : _ |- _ ] => (rewrite H; []) || (rewrite H; [ | solve [ crush' lemmas invOne ] ]) || (rewrite H; [ | solve [ crush' lemmas invOne ] | solve [ crush' lemmas invOne ] ]) end; autorewrite with cpdt in *) in (sintuition; rewriter; match lemmas with | false => idtac | _ => repeat ((app ltac:(fun L => inster L L) lemmas || appHyps ltac:(fun L => inster L L)); repeat (simplHyp invOne; intuition)); un_done end; sintuition; rewriter; sintuition; try omega; try (elimtype False; omega)). Ltac crush := crush' false fail.