theorem
proved
term proof
optimal_transfer
show as:
view Lean formalization →
formal statement (Lean)
56theorem optimal_transfer {Obs₁ Obs₂ : Type*}
57 {C₁ : DisplayChannel State Obs₁}
58 {C₂ : DisplayChannel State Obs₂}
59 (heq : QualityEquiv C₁ C₂)
60 (x : State) :
61 C₁.isOptimal x ↔ C₂.isOptimal x :=
proof body
Term-mode proof.
62 QualityEquiv.optimal_iff heq x
63
64/-- If C₂.quality = g ∘ C₁.quality for monotone g, they induce the same order. -/