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Zulip Chat Archive

Stream: maths

Topic: omega.nat.le_and_le_iff_eq


Kevin Buzzard (Jul 02 2020 at 14:20):

omega.nat.le_and_le_iff_eq : ∀ {α : Type} [_inst_1 : partial_order α] {a b : α}, a ≤ b ∧ b ≤ a ↔ a = b

That's quite an exotic name! Thanks library_search.

Kevin Buzzard (Jul 02 2020 at 14:22):

oh rofl it's not proved for Type u. That'll teach me to just put Type everywhere :-) It's le_antisymm_iff


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