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Theorem quaternion_group.order_of_a

Modification history

2022-08-29 20:00
src/group_theory/specific_groups/quaternion.lean
feat(*): replace fact(0 < t) with ne_zero (#16145) …
Modified quaternion_group.order_of_aView on Github →
2021-03-18 09:41
src/group_theory/quaternion_group.lean
feat(group_theory/quaternion_group): define the (generalised) quaternion groups (#6683) …
Added quaternion_group.order_of_aView on Github →