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Theorem subtype.preimage_val_eq_preimage_val_iff

Modification history

2022-12-07 20:30
src/data/set/basic.lean
refactor(data/set/basic): move image, preimage, and range to a new file (#17842) …
Modified subtype.preimage_val_eq_preimage_val_iffView on Github →
2019-02-08 09:28
src/data/set/basic.lean
feat(data/set/basic,logic/function): small additions and renamings
Added subtype.preimage_val_eq_preimage_val_iffView on Github →