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声明

ring_normalize_add_mul3

Mathlib.Algebra.Ring

2

模块

63

定理

750

声明

1016

非可信 sidecar

源文本和展示 overlay 属于展示元数据。可信证据是签名证书和 checker 结果。

陈述

forall (a : RingElem), forall (b : RingElem), forall (c : RingElem), @Eq.{1} RingElem (add (add (mul a b) (mul b c)) (mul a c)) (add (mul a (add b c)) (mul b (add a c)))

证明项

fun a => fun b => fun c => @Eq.refl.{1} RingElem (add (add (mul a b) (mul b c)) (mul a c))

常量