Back to NPA

Declaration

square_nonneg

Mathlib.Algebra.Square

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 (Nonneg : forall (x : RingElem), Prop), forall (h_zero : Nonneg zero), forall (a : RingElem), Nonneg (sq a)

Proof term

fun Nonneg => fun h_zero => fun a => h_zero

Constants