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Theorem set.not_not_mem_iff

Modification history

2017-09-03 20:55
data/set/basic.lean
refactor(logic/basic): refactor logic theorems
Deleted set.not_not_mem_iffView on Github →
2017-08-11 17:57
data/set/basic.lean
algebra/lattice/filter: cleanup move theorems to appropriate places
Added set.not_not_mem_iffView on Github →