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Def is_subgroup.center

Modification history

2020-06-01 23:39
src/deprecated/subgroup.lean
chore(group_theory/sub*): move unbundled submonoids and subgroups to `deprecated` (#2912) …
Modified is_subgroup.centerView on Github →
2020-02-14 00:07
src/group_theory/subgroup.lean
chore(group_theory/sub*) : rename type vars (#1982) …
Modified is_subgroup.centerView on Github →
2018-04-11 10:25
group_theory/subgroup.lean
style(group_theory): try to follow conventions (calc indentation, lowercase names, ...)
Modified is_subgroup.centerView on Github →
2018-04-11 10:24
group_theory/subgroup.lean
feat(group_theory): add left/right cosets and normal subgroups
Added is_subgroup.centerView on Github →