返回 NPA
声明
add_assoc
Mathlib.Algebra.Ring
包
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 a b) c) (add a (add b c))
证明项
fun a => fun b => fun c => @Eq.refl.{1} RingElem (add (add a b) c)
常量
Mathlib.Algebra.Ring.RingElem
Interface hash: sha256:29d995d6a38e44a010f577d64428b3272226781f7982e2306784cb3bdc4977ea
Mathlib.Algebra.Ring.add
Interface hash: sha256:70894d2717280dc0e45d28bdc4220a44c51506cccc224ab1f339c97d87eedd41
Std.Logic.Eq.Eq
Interface hash: sha256:ca4f8520fd678a809c3ebf0bc7fa38d3063ca4d231e79d567de888685449a015