@paulcc_two Decided to type up the code in the article, I'm getting a unification error when trying trivial on case_one_proof...
@bishboria Works for me... it needs "intros" first, then "trivial". @paulcc_two
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@edwinbrady@paulcc_two I'm following the steps... intro l; intro H; rewrite (sym H); trivial; -- Unification error...Thanks. Twitter will use this to make your timeline better. UndoUndo
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@edwinbrady@paulcc_two just tried intros; trivial. Same thing...Thanks. Twitter will use this to make your timeline better. UndoUndo
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