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声明
parallelogram_scalar_rhs_from_ring_args
Mathlib.Algebra.OrderedField.ScalarIdentities
包
2
模块
63
定理
750
声明
1016
非可信 sidecar
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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 (ring_args : @RingLawArgs.{u} Scalar zero one add neg sub mul), forall (a : Scalar), forall (b : Scalar), forall (x : Scalar), @Eq.{u} Scalar (add (add (add a x) b) (add (sub a x) b)) (add (mul (@two.{u} Scalar one add) a) (mul (@two.{u} Scalar one add) b))
证明项
fun Scalar => fun zero => fun one => fun add => fun neg => fun sub => fun mul => fun ring_args => fun a => fun b => fun x => @eq_calc3.{u} Scalar (add (add (add a x) b) (add (sub a x) b)) (add (add a a) (add b b)) (add (mul (@two.{u} Scalar one add) a) (add b b)) (add (mul (@two.{u} Scalar one add) a) (mul (@two.{u} Scalar one add) b)) (@add_cross_and_sub_cross_cancel_from_ring_args.{u} Scalar zero one add neg sub mul ring_args a b x) (@eq_congr2.{u,u,u} Scalar Scalar Scalar add (add a a) (mul (@two.{u} Scalar one add) a) (add b b) (add b b) (@eq_symm.{u} Scalar (mul (@two.{u} Scalar one add) a) (add a a) (@two_mul_from_ring_args.{u} Scalar zero one add neg sub mul ring_args a)) (@Eq.refl.{u} Scalar (add b b))) (@eq_congr2.{u,u,u} Scalar Scalar Scalar add (mul (@two.{u} Scalar one add) a) (mul (@two.{u} Scalar one add) a) (add b b) (mul (@two.{u} Scalar one add) b) (@Eq.refl.{u} Scalar (mul (@two.{u} Scalar one add) a)) (@eq_symm.{u} Scalar (mul (@two.{u} Scalar one add) b) (add b b) (@two_mul_from_ring_args.{u} Scalar zero one add neg sub mul ring_args b)))
常量
Mathlib.Algebra.Ring.Basic.RingLawArgs
Interface hash: sha256:456107df4dbed059c89d328bcf94eef13770b88f637bdf225bb9c3cf0005a2f5
Mathlib.Algebra.Ring.Basic.two
Interface hash: sha256:e758fa832956e3fac452cde06870eca57616a598516f7a0f8b1f627b447ee11e
Std.Logic.Eq.Eq
Interface hash: sha256:ca4f8520fd678a809c3ebf0bc7fa38d3063ca4d231e79d567de888685449a015