theorem
Cedar.Thm.partial_evaluate_is_sound_set
{req : Spec.Request}
{es : Spec.Entities}
{preq : TPE.PartialRequest}
{pes : TPE.PartialEntities}
{ls : List Spec.Residual}
{ty : Validation.CedarType}
(hᵢ₁ :
∀ (x : Spec.Residual),
x ∈ ls → Except.toOption (x.evaluate req es) = Except.toOption ((TPE.evaluate x preq pes).evaluate req es))
:
Except.toOption ((Spec.Residual.set ls ty.set).evaluate req es) = Except.toOption ((TPE.evaluate (Spec.Residual.set ls ty.set) preq pes).evaluate req es)