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v3
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Mathlib v3 is deprecated.
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Theorem
set.eq_empty_iff_forall_not_mem
Modification history
2021-01-27 18:19
src/data/set/basic.lean
refactor(data/set/basic): simpler proofs (#5920) …
Modified
set.eq_empty_iff_forall_not_mem
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2017-12-08 08:32
data/set/basic.lean
feat(data/dardinal): wellordering of cardinals
Added
set.eq_empty_iff_forall_not_mem
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