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Theorem is_unit_of_subsingleton

Modification history

2021-12-27 16:46
src/algebra/group/units.lean
feat(algebra/group/units): generalize `units.coe_lift` (#11057) …
Modified is_unit_of_subsingletonView on Github →
2020-10-18 01:46
src/algebra/group/units.lean
feat(logic/nontrivial): make `nontriviality` work for more goals (#4574) …
Modified is_unit_of_subsingletonView on Github →
2020-10-11 16:27
src/algebra/group/units.lean
chore(data/finsupp): replace `eq_zero_of_zero_eq_one` with `finsupp.unique_of_right` (#4563) …
Added is_unit_of_subsingletonView on Github →