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Theorem finset.erase_image_subset_image_erase

Modification history

2022-12-08 18:41
src/data/finset/basic.lean
refactor(data/finset/image): split out of data/finset/basic (#17852) …
Modified finset.erase_image_subset_image_eraseView on Github →
2022-06-12 11:53
src/data/finset/basic.lean
feat(data/{finset,set}/basic): More `insert` and `erase` lemmas (#14675) …
Added finset.erase_image_subset_image_eraseView on Github →