Robuta

https://leanprover-community.github.io/mathlib4_docs/Mathlib/GroupTheory/Nilpotent.html Mathlib.GroupTheory.Nilpotent mathlib https://leanprover-community.github.io/mathlib4_docs/Mathlib/GroupTheory/Congruence/Basic.html Mathlib.GroupTheory.Congruence.Basic mathlibcongruencebasic https://leanprover-community.github.io/mathlib4_docs/Mathlib/GroupTheory/GroupAction/Hom.html Mathlib.GroupTheory.GroupAction.Hom mathlibgroupactionhom https://leanprover-community.github.io/mathlib4_docs/Mathlib/GroupTheory/Solvable.html Mathlib.GroupTheory.Solvable mathlib https://leanprover-community.github.io/mathlib4_docs/Mathlib/GroupTheory/GroupAction/DomAct/Basic.html Mathlib.GroupTheory.GroupAction.DomAct.Basic mathlibgroupactionbasic https://leanprover-community.github.io/mathlib4_docs/Mathlib/GroupTheory/GroupAction/Pointwise.html Mathlib.GroupTheory.GroupAction.Pointwise mathlibgroupactionpointwise https://leanprover-community.github.io/mathlib4_docs/Mathlib/GroupTheory/GroupAction/CardCommute.html Mathlib.GroupTheory.GroupAction.CardCommute mathlibgroupaction https://leanprover-community.github.io/mathlib4_docs/Mathlib/GroupTheory/Congruence/Hom.html Mathlib.GroupTheory.Congruence.Hom mathlibcongruencehom