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Theorem dihedral_group.order_of_r

Modification history

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