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Zulip Chat Archive

Stream: Is there code for X?

Topic: imp_iff_imp_left


Yaël Dillies (Sep 06 2021 at 14:09):

This is me being dumb, but where is that lemma?

lemma imp_iff_imp_left (a b c : Prop) : ((a → b) ↔ (a → c)) ↔ (a → (b ↔ c)) := sorry

Yaël Dillies (Sep 06 2021 at 14:14):

Ahah! forall_congr


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