Theorem Function.not_surjective_of_isEmpty_of_nonempty

Modification history

2026-02-13 18:17
Mathlib/Logic/IsEmpty.lean
chore(Logic/IsEmpty): split file into `Defs` and `Basic` (#35137) …
Modified Function.not_surjective_of_isEmpty_of_nonemptyView on Github →
2026-01-29 16:43
Mathlib/Logic/IsEmpty.lean
feat(Logic/IsEmpty): add theorems relating surjectivity and emptiness (#33475) …
Added Function.not_surjective_of_isEmpty_of_nonemptyView on Github →