∀ (A B : CommRingCat) (s : CategoryTheory.Limits.BinaryCofan A B)
  (x : ↑((CategoryTheory.Limits.pair A B).obj { as := CategoryTheory.Limits.WalkingPair.left }))
  (x_1 : ↑((CategoryTheory.Limits.pair A B).obj { as := CategoryTheory.Limits.WalkingPair.right })),
  Commute ((CommRingCat.Hom.hom s.inl).toIntAlgHom x) ((CommRingCat.Hom.hom s.inr).toIntAlgHom x_1)