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v4
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Theorem
implies_of_if_neg
Modification history
2022-09-08 18:38
Mathlib/Init/Logic.lean
chore: bump std4 09-08 (#403) …
Deleted
implies_of_if_neg
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2021-08-12 12:17
Mathlib/Init/Logic.lean
split out Lean 3 prelude items from Logic/Basic.lean to Init/Logic.lean (#34)
Added
implies_of_if_neg
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