Back to NPA

Declaration

eq_refl_compose

Mathlib.Logic.Eq

Packages

2

Module

63

Theorems

750

Declarations

1016

Untrusted sidecar

Source text and display overlays are presentation metadata. The signed certificate and checker result are the trusted evidence.

Statement

forall (A : Sort u), forall (B : Sort v), forall (C : Sort w), forall (f : forall (x : B), C), forall (g : forall (x : A), B), forall (x : A), @Eq.{w} C (f (g x)) (f (g x))

Proof term

fun A => fun B => fun C => fun f => fun g => fun x => @Eq.refl.{w} C (f (g x))

Constants