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Commit 2022-03-22 14:24 52159408

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feat(order/filter/basic): filter is a coframe (#12872) Provide the coframe (filter α) instance and remove now duplicated lemmas.

Estimated changes

Modified src/order/complete_boolean_algebra.lean

Modified src/order/filter/basic.lean

deleted theorem filter.binfi_sup_left

deleted theorem filter.binfi_sup_right

deleted theorem filter.infi_sup_left

deleted theorem filter.infi_sup_right