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声明
law_of_cosines_general
Mathlib.Geometry.RightTriangle.Abstract
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 (Scalar : Sort u), forall (zero : Scalar), forall (one : Scalar), forall (add : forall (a : Scalar), forall (b : Scalar), Scalar), forall (neg : forall (a : Scalar), Scalar), forall (sub : forall (a : Scalar), forall (b : Scalar), Scalar), forall (mul : forall (a : Scalar), forall (b : Scalar), Scalar), forall (le_rel : forall (a : Scalar), forall (b : Scalar), Prop), forall (Vector : Sort v), forall (vzero : Vector), forall (vadd : forall (x : Vector), forall (y : Vector), Vector), forall (vneg : forall (x : Vector), Vector), forall (smul : forall (a : Scalar), forall (x : Vector), Vector), forall (inner : forall (x : Vector), forall (y : Vector), Scalar), forall (PointCarrier : Sort p), forall (disp_op : forall (A : PointCarrier), forall (B : PointCarrier), Vector), forall (law : forall (A : PointCarrier), forall (B : PointCarrier), forall (C : PointCarrier), @Eq.{u} Scalar (@distSqPoints.{p,u,v} Scalar Vector inner PointCarrier disp_op B C) (sub (add (@distSqPoints.{p,u,v} Scalar Vector inner PointCarrier disp_op A B) (@distSqPoints.{p,u,v} Scalar Vector inner PointCarrier disp_op A C)) (mul (@two.{u} Scalar one add) (@dot.{u,v} Scalar Vector inner (@disp.{p,v} PointCarrier Vector disp_op A B) (@disp.{p,v} PointCarrier Vector disp_op A C))))), forall (A : PointCarrier), forall (B : PointCarrier), forall (C : PointCarrier), @Eq.{u} Scalar (@distSqPoints.{p,u,v} Scalar Vector inner PointCarrier disp_op B C) (sub (add (@distSqPoints.{p,u,v} Scalar Vector inner PointCarrier disp_op A B) (@distSqPoints.{p,u,v} Scalar Vector inner PointCarrier disp_op A C)) (mul (@two.{u} Scalar one add) (@dot.{u,v} Scalar Vector inner (@disp.{p,v} PointCarrier Vector disp_op A B) (@disp.{p,v} PointCarrier Vector disp_op A C))))
证明项
fun Scalar => fun zero => fun one => fun add => fun neg => fun sub => fun mul => fun le_rel => fun Vector => fun vzero => fun vadd => fun vneg => fun smul => fun inner => fun PointCarrier => fun disp_op => fun law => fun A => fun B => fun C => law A B C
常量
Mathlib.Algebra.Ring.Basic.two
Interface hash: sha256:e758fa832956e3fac452cde06870eca57616a598516f7a0f8b1f627b447ee11e
Mathlib.Geometry.Affine.disp
Interface hash: sha256:0cb7627a80270a6e2d271580406e4ff4a0dac01affd7c53104ccb02f5471b1e7
Mathlib.Geometry.Affine.distSqPoints
Interface hash: sha256:152d4713ed75cf7a6ba0207cd93a8386aeb981232922aa806b3e33704c0aec91
Mathlib.LinearAlgebra.InnerProduct.dot
Interface hash: sha256:42709ed47ded7709663b1284ca176854552d1753213c6db7db53cd50b1cc882d
Std.Logic.Eq.Eq
Interface hash: sha256:ca4f8520fd678a809c3ebf0bc7fa38d3063ca4d231e79d567de888685449a015