iff_symm

Mathlib.Logic.Iff

Packages

Module

Theorem

750

Declarations

1016

信頼境界外の sidecar

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Statement

forall (P : Prop), forall (Q : Prop), forall (h : Iff P Q), Iff Q P

Proof term

fun P => fun Q => fun h => fun (R : Prop) => fun (mk : forall (forward : forall (q : Q), P), forall (backward : forall (p : P), Q), R) => h R (fun (forward : forall (p : P), Q) => fun (backward : forall (q : Q), P) => mk backward forward)

Constants

Mathlib.Logic.Iff.Iff

Interface hash: sha256:2adc7b81d1a44ca853820a2d3ff7c7a4835689786f67097640ec93685cf2fc9c