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Declaration

iff_congr_arg

Mathlib.Logic.Iff

Packages

2

Module

63

Theorems

750

Declarations

1016

Untrusted sidecar

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Statement

forall (P : Prop), forall (Q : Prop), forall (F : forall (X : Prop), Prop), forall (h : @Eq.{1} Prop P Q), Iff (F P) (F Q)

Proof term

fun P => fun Q => fun F => fun h => @Eq.rec.{1,0} Prop P (fun (R : Prop) => fun (hR : @Eq.{1} Prop P R) => Iff (F P) (F R)) (iff_refl (F P)) Q h

Constants