`BookProof.ReducedEsa.commutes_symProj` {hUD : ∀ x ∈ D, U x ∈ D} (hTU : ∀ x : D, T ⟨U (x : F), hUD _ x.2⟩ = U (T x)) : Commutes T (symProj_mem (D := D) hUD) where comm x

Initializing...

`BookProof.ReducedEsa.commutes_symProj` {hUD : ∀ x ∈ D, U x ∈ D} (hTU : ∀ x : D, T ⟨U (x : F), hUD _ x.2⟩ = U (T x)) : Commutes T (symProj_mem (D := D) hUD) where comm x · Prove2Me