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Declaration
iff_congr_arg
Mathlib.Logic.Iff
Packages
2
Module
63
Theorems
750
Declarations
1016
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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