English
Compatibility between commutative group-equivalences and forgetful links to MonCat and MonTypeEquivalenceMon.
Русский
Совместимость эквивалентностей для коммутативных групп и забывачевых связей между MonCat и MonTypeEquivalenceMon.
LaTeX
$$$ commGrpTypeEquivalenceCommMonForgetCommMon \cong \text{Id} $$$
Lean4
/-- The equivalences `CommMon (Type u) ≌ CommMonCat.{u}` and `CommGrp_ (Type u) ≌ CommGrpCat.{u}`
are naturally compatible with the forgetful functors to `GrpCat` and `Grp_ (Type u)`.
-/
noncomputable def commGrpTypeEquivalenceCommGrpForgetCommMon :
CommGrpTypeEquivalenceCommGrp.functor ⋙ forget₂ CommGrpCat CommMonCat ≅
CommGrp_.forget₂CommMon (Type u) ⋙ CommMonTypeEquivalenceCommMon.functor :=
Iso.refl _