Metamath Proof Explorer


Theorem dvhvsca

Description: Scalar product operation for the constructed full vector space H. (Contributed by NM, 2-Nov-2013)

Ref Expression
Hypotheses dvhfvsca.h ⊢ H = LHyp ⁡ K
dvhfvsca.t ⊢ T = LTrn ⁡ K ⁡ W
dvhfvsca.e ⊢ E = TEndo ⁡ K ⁡ W
dvhfvsca.u ⊢ U = DVecH ⁡ K ⁡ W
dvhfvsca.s ⊢ · ˙ = ⋅ U
Assertion dvhvsca ⊢ K ∈ V ∧ W ∈ H ∧ R ∈ E ∧ F ∈ T × E → R · ˙ F = R ⁡ 1 st ⁡ F R ∘ 2 nd ⁡ F

Proof

Step Hyp Ref Expression
1 dvhfvsca.h ⊢ H = LHyp ⁡ K
2 dvhfvsca.t ⊢ T = LTrn ⁡ K ⁡ W
3 dvhfvsca.e ⊢ E = TEndo ⁡ K ⁡ W
4 dvhfvsca.u ⊢ U = DVecH ⁡ K ⁡ W
5 dvhfvsca.s ⊢ · ˙ = ⋅ U
6 1 2 3 4 5 dvhfvsca ⊢ K ∈ V ∧ W ∈ H → · ˙ = s ∈ E , f ∈ T × E ⟼ s ⁡ 1 st ⁡ f s ∘ 2 nd ⁡ f
7 6 oveqd ⊢ K ∈ V ∧ W ∈ H → R · ˙ F = R s ∈ E , f ∈ T × E ⟼ s ⁡ 1 st ⁡ f s ∘ 2 nd ⁡ f F
8 eqid ⊢ s ∈ E , f ∈ T × E ⟼ s ⁡ 1 st ⁡ f s ∘ 2 nd ⁡ f = s ∈ E , f ∈ T × E ⟼ s ⁡ 1 st ⁡ f s ∘ 2 nd ⁡ f
9 8 dvhvscaval ⊢ R ∈ E ∧ F ∈ T × E → R s ∈ E , f ∈ T × E ⟼ s ⁡ 1 st ⁡ f s ∘ 2 nd ⁡ f F = R ⁡ 1 st ⁡ F R ∘ 2 nd ⁡ F
10 7 9 sylan9eq ⊢ K ∈ V ∧ W ∈ H ∧ R ∈ E ∧ F ∈ T × E → R · ˙ F = R ⁡ 1 st ⁡ F R ∘ 2 nd ⁡ F