Commit 2024-11-21 09:25 e4a142c2
View on Github →chore(Algebra/Group/Subgroup): split Lattice
, Map
, Ker
from Basic.lean
(#19295)
The file Algebra/Group/Subgroup/Basic.lean
is very long. Following the design of the Submodule
folder, split it into:
Lattice.lean
:CompleteLattice
instance,Subgroup.closure
Map.lean
:Subgroup.map
,Subgroup.comap
Ker.lean
:MonoidHom.ker
,MonoidHom.range
andMonoidHom.eqLocus