Mathlib v3 is deprecated. Go to Mathlib v4

Commit 2020-09-11 15:53 872a37e4

View on Github →

cleanup(group_theory/presented_group): () -> [], and remove some FIXMEs (#4076)

Estimated changes

Modified src/group_theory/abelianization.lean

Modified src/group_theory/presented_group.lean

deleted theorem presented_group.to_group.inv

deleted theorem presented_group.to_group.mul

deleted theorem presented_group.to_group.one

Modified src/group_theory/subgroup.lean

modified theorem group.conjugates_of_set_subset

modified theorem group.conjugates_subset_normal

deleted theorem monoid_hom.normal_ker

deleted theorem subgroup.bot_normal

deleted theorem subgroup.center_normal

modified theorem subgroup.le_normalizer_of_normal

modified theorem subgroup.normal_closure_le_normal

deleted theorem subgroup.normal_closure_normal

modified theorem subgroup.normal_closure_subset_iff

deleted theorem subgroup.normal_comap

deleted theorem subgroup.normal_in_normalizer

deleted theorem subgroup.normal_of_comm