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v3
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Mathlib v3 is deprecated.
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Theorem
opposite.op_inj_iff
Modification history
2022-06-27 16:25
src/data/opposite.lean
feat(*): Upgrade to lean 3.44.1c (#14984) …
Modified
opposite.op_inj_iff
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2019-11-12 03:02
src/data/opposite.lean
chore(*): use `iff.rfl` instead of `iff.refl _` (#1675)
Modified
opposite.op_inj_iff
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2019-06-29 13:28
src/data/opposite.lean
refactor(category_theory/category): reorder arguments of `End.has_mul` (#1128) …
Added
opposite.op_inj_iff
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