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Theorem subgroup.mul_mem_cancel_left

Modification history

2022-04-10 01:48
src/group_theory/subgroup/basic.lean
feat(group_theory): use generic `subobject_class` lemmas (#11758) …
Deleted subgroup.mul_mem_cancel_leftView on Github →
2020-06-09 20:16
src/group_theory/subgroup.lean
refactor(group_theory/subgroup): swap `mul_mem_cancel_left/right` (#3011) …
Modified subgroup.mul_mem_cancel_leftView on Github →
2020-06-05 05:31
src/group_theory/subgroup.lean
feat(group_theory/subgroup): define normal bundled subgroups (#2947) …
Added subgroup.mul_mem_cancel_leftView on Github →