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Theorem order_iso.preimage_symm_preimage

Modification history

2022-11-11 04:41
src/order/hom/basic.lean
refactor(*): simplifying import hierarchy up to dat.rat.order (#17435) …
Modified order_iso.preimage_symm_preimageView on Github →
2021-12-13 21:33
src/order/hom/basic.lean
chore(order/hom): rearrange definitions of `order_{hom,iso,embedding}` (#10752) …
Modified order_iso.preimage_symm_preimageView on Github →
2021-07-29 06:51
src/order/rel_iso.lean
feat(order/*): a bunch of lemmas about `order_iso` (#8451)
Added order_iso.preimage_symm_preimageView on Github →