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Theorem quaternion_group.xa_pow_two

Modification history

2021-04-28 19:37
src/group_theory/specific_groups/quaternion.lean
chore(*): use `sq` as convention for "squared" (#7368) …
Deleted quaternion_group.xa_pow_twoView 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.xa_pow_twoView on Github →