Metamath Proof Explorer


Theorem dvavsca

Description: Ring addition operation for the constructed partial vector space A. (Contributed by NM, 11-Oct-2013)

Ref Expression
Hypotheses dvafvsca.h ⊢ H = LHyp ⁡ K
dvafvsca.t ⊢ T = LTrn ⁡ K ⁡ W
dvafvsca.e ⊢ E = TEndo ⁡ K ⁡ W
dvafvsca.u ⊢ U = DVecA ⁡ K ⁡ W
dvafvsca.s ⊢ · ˙ = ⋅ U
Assertion dvavsca ⊢ K ∈ V ∧ W ∈ H ∧ R ∈ E ∧ F ∈ T → R · ˙ F = R ⁡ F

Proof

Step Hyp Ref Expression
1 dvafvsca.h ⊢ H = LHyp ⁡ K
2 dvafvsca.t ⊢ T = LTrn ⁡ K ⁡ W
3 dvafvsca.e ⊢ E = TEndo ⁡ K ⁡ W
4 dvafvsca.u ⊢ U = DVecA ⁡ K ⁡ W
5 dvafvsca.s ⊢ · ˙ = ⋅ U
6 1 2 3 4 5 dvafvsca ⊢ K ∈ V ∧ W ∈ H → · ˙ = s ∈ E , f ∈ T ⟼ s ⁡ f
7 6 oveqd ⊢ K ∈ V ∧ W ∈ H → R · ˙ F = R s ∈ E , f ∈ T ⟼ s ⁡ f F
8 fveq1 ⊢ s = R → s ⁡ f = R ⁡ f
9 fveq2 ⊢ f = F → R ⁡ f = R ⁡ F
10 eqid ⊢ s ∈ E , f ∈ T ⟼ s ⁡ f = s ∈ E , f ∈ T ⟼ s ⁡ f
11 fvex ⊢ R ⁡ F ∈ V
12 8 9 10 11 ovmpo ⊢ R ∈ E ∧ F ∈ T → R s ∈ E , f ∈ T ⟼ s ⁡ f F = R ⁡ F
13 7 12 sylan9eq ⊢ K ∈ V ∧ W ∈ H ∧ R ∈ E ∧ F ∈ T → R · ˙ F = R ⁡ F