声明
polarization_identity_from_inner_args
Mathlib.LinearAlgebra.InnerProduct.Derived
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 (ring_args : @RingLawArgs.{u} Scalar zero one add neg sub mul), forall (inner_args : @InnerProductLawArgs.{u,v} Scalar zero one add neg sub mul le_rel Vector vzero vadd vneg smul inner), forall (x : Vector), forall (y : Vector), @Eq.{u} Scalar (mul (@two.{u} Scalar one add) (@dot.{u,v} Scalar Vector inner x y)) (sub (@normSq.{u,v} Scalar Vector inner (vadd x y)) (add (@normSq.{u,v} Scalar Vector inner x) (@normSq.{u,v} Scalar Vector inner y)))
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 ring_args => fun inner_args => fun x => fun y => @eq_trans.{u} Scalar (mul (@two.{u} Scalar one add) (@dot.{u,v} Scalar Vector inner x y)) (sub (add (add (@normSq.{u,v} Scalar Vector inner x) (mul (@two.{u} Scalar one add) (@dot.{u,v} Scalar Vector inner x y))) (@normSq.{u,v} Scalar Vector inner y)) (add (@normSq.{u,v} Scalar Vector inner x) (@normSq.{u,v} Scalar Vector inner y))) (sub (@normSq.{u,v} Scalar Vector inner (vadd x y)) (add (@normSq.{u,v} Scalar Vector inner x) (@normSq.{u,v} Scalar Vector inner y))) (@polarization_scalar_rhs_from_ring_args.{u} Scalar zero one add neg sub mul ring_args (@normSq.{u,v} Scalar Vector inner x) (@normSq.{u,v} Scalar Vector inner y) (@dot.{u,v} Scalar Vector inner x y)) (@eq_congr2.{u,u,u} Scalar Scalar Scalar sub (add (add (@normSq.{u,v} Scalar Vector inner x) (mul (@two.{u} Scalar one add) (@dot.{u,v} Scalar Vector inner x y))) (@normSq.{u,v} Scalar Vector inner y)) (@normSq.{u,v} Scalar Vector inner (vadd x y)) (add (@normSq.{u,v} Scalar Vector inner x) (@normSq.{u,v} Scalar Vector inner y)) (add (@normSq.{u,v} Scalar Vector inner x) (@normSq.{u,v} Scalar Vector inner y)) (@eq_symm.{u} Scalar (@normSq.{u,v} Scalar Vector inner (vadd x y)) (add (add (@normSq.{u,v} Scalar Vector inner x) (mul (@two.{u} Scalar one add) (@dot.{u,v} Scalar Vector inner x y))) (@normSq.{u,v} Scalar Vector inner y)) (@norm_sq_add_from_inner_args.{u,v} Scalar zero one add neg sub mul le_rel Vector vzero vadd vneg smul inner inner_args x y)) (@Eq.refl.{u} Scalar (add (@normSq.{u,v} Scalar Vector inner x) (@normSq.{u,v} Scalar Vector inner y))))
常量
Mathlib.Algebra.Ring.Basic.RingLawArgs
Interface hash: sha256:456107df4dbed059c89d328bcf94eef13770b88f637bdf225bb9c3cf0005a2f5
Mathlib.Algebra.Ring.Basic.two
Interface hash: sha256:e758fa832956e3fac452cde06870eca57616a598516f7a0f8b1f627b447ee11e
Mathlib.LinearAlgebra.InnerProduct.InnerProductLawArgs
Interface hash: sha256:9f49181dbd7b368e5a936694909c4757c4c4213ad937bc6af94ce70ba83ecee5
Mathlib.LinearAlgebra.InnerProduct.dot
Interface hash: sha256:42709ed47ded7709663b1284ca176854552d1753213c6db7db53cd50b1cc882d
Mathlib.LinearAlgebra.InnerProduct.normSq
Interface hash: sha256:7deaed46931ec95104c267813d7a6d08bcbd8862a9ff3343231aed7fdab60b04
Std.Logic.Eq.Eq
Interface hash: sha256:ca4f8520fd678a809c3ebf0bc7fa38d3063ca4d231e79d567de888685449a015