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Theorem filter.preimage_mem_comap

Modification history

2019-03-08 08:46
src/order/filter/basic.lean
feat(*): has_mem (set α) (filter α) (#799)
Modified filter.preimage_mem_comapView on Github →
2018-09-07 17:43
order/filter.lean
order(filter): rename `vmap` to `comap`
Added filter.preimage_mem_comapView on Github →