Metamath Proof Explorer


Theorem dvhvadd

Description: The vector sum operation for the constructed full vector space H. (Contributed by NM, 11-Feb-2014) (Revised by Mario Carneiro, 23-Jun-2014)

Ref Expression
Hypotheses dvhvadd.h ⊢ 𝐻 = ( LHyp ‘ 𝐾 )
dvhvadd.t ⊢ 𝑇 = ( ( LTrn ‘ 𝐾 ) ‘ 𝑊 )
dvhvadd.e ⊢ 𝐸 = ( ( TEndo ‘ 𝐾 ) ‘ 𝑊 )
dvhvadd.u ⊢ 𝑈 = ( ( DVecH ‘ 𝐾 ) ‘ 𝑊 )
dvhvadd.f ⊢ 𝐷 = ( Scalar ‘ 𝑈 )
dvhvadd.s ⊢ + = ( +g ‘ 𝑈 )
dvhvadd.p ⊢ ⨣ = ( +g ‘ 𝐷 )
Assertion dvhvadd ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝐹 ∈ ( 𝑇 × 𝐸 ) ∧ 𝐺 ∈ ( 𝑇 × 𝐸 ) ) ) → ( 𝐹 + 𝐺 ) = ⟨ ( ( 1st ‘ 𝐹 ) ∘ ( 1st ‘ 𝐺 ) ) , ( ( 2nd ‘ 𝐹 ) ⨣ ( 2nd ‘ 𝐺 ) ) ⟩ )

Proof

Step Hyp Ref Expression
1 dvhvadd.h ⊢ 𝐻 = ( LHyp ‘ 𝐾 )
2 dvhvadd.t ⊢ 𝑇 = ( ( LTrn ‘ 𝐾 ) ‘ 𝑊 )
3 dvhvadd.e ⊢ 𝐸 = ( ( TEndo ‘ 𝐾 ) ‘ 𝑊 )
4 dvhvadd.u ⊢ 𝑈 = ( ( DVecH ‘ 𝐾 ) ‘ 𝑊 )
5 dvhvadd.f ⊢ 𝐷 = ( Scalar ‘ 𝑈 )
6 dvhvadd.s ⊢ + = ( +g ‘ 𝑈 )
7 dvhvadd.p ⊢ ⨣ = ( +g ‘ 𝐷 )
8 eqid ⊢ ( 𝑓 ∈ ( 𝑇 × 𝐸 ) , 𝑔 ∈ ( 𝑇 × 𝐸 ) ↦ ⟨ ( ( 1st ‘ 𝑓 ) ∘ ( 1st ‘ 𝑔 ) ) , ( ( 2nd ‘ 𝑓 ) ⨣ ( 2nd ‘ 𝑔 ) ) ⟩ ) = ( 𝑓 ∈ ( 𝑇 × 𝐸 ) , 𝑔 ∈ ( 𝑇 × 𝐸 ) ↦ ⟨ ( ( 1st ‘ 𝑓 ) ∘ ( 1st ‘ 𝑔 ) ) , ( ( 2nd ‘ 𝑓 ) ⨣ ( 2nd ‘ 𝑔 ) ) ⟩ )
9 1 2 3 4 5 7 8 6 dvhfvadd ⊢ ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) → + = ( 𝑓 ∈ ( 𝑇 × 𝐸 ) , 𝑔 ∈ ( 𝑇 × 𝐸 ) ↦ ⟨ ( ( 1st ‘ 𝑓 ) ∘ ( 1st ‘ 𝑔 ) ) , ( ( 2nd ‘ 𝑓 ) ⨣ ( 2nd ‘ 𝑔 ) ) ⟩ ) )
10 9 oveqd ⊢ ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) → ( 𝐹 + 𝐺 ) = ( 𝐹 ( 𝑓 ∈ ( 𝑇 × 𝐸 ) , 𝑔 ∈ ( 𝑇 × 𝐸 ) ↦ ⟨ ( ( 1st ‘ 𝑓 ) ∘ ( 1st ‘ 𝑔 ) ) , ( ( 2nd ‘ 𝑓 ) ⨣ ( 2nd ‘ 𝑔 ) ) ⟩ ) 𝐺 ) )
11 8 dvhvaddval ⊢ ( ( 𝐹 ∈ ( 𝑇 × 𝐸 ) ∧ 𝐺 ∈ ( 𝑇 × 𝐸 ) ) → ( 𝐹 ( 𝑓 ∈ ( 𝑇 × 𝐸 ) , 𝑔 ∈ ( 𝑇 × 𝐸 ) ↦ ⟨ ( ( 1st ‘ 𝑓 ) ∘ ( 1st ‘ 𝑔 ) ) , ( ( 2nd ‘ 𝑓 ) ⨣ ( 2nd ‘ 𝑔 ) ) ⟩ ) 𝐺 ) = ⟨ ( ( 1st ‘ 𝐹 ) ∘ ( 1st ‘ 𝐺 ) ) , ( ( 2nd ‘ 𝐹 ) ⨣ ( 2nd ‘ 𝐺 ) ) ⟩ )
12 10 11 sylan9eq ⊢ ( ( ( 𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻 ) ∧ ( 𝐹 ∈ ( 𝑇 × 𝐸 ) ∧ 𝐺 ∈ ( 𝑇 × 𝐸 ) ) ) → ( 𝐹 + 𝐺 ) = ⟨ ( ( 1st ‘ 𝐹 ) ∘ ( 1st ‘ 𝐺 ) ) , ( ( 2nd ‘ 𝐹 ) ⨣ ( 2nd ‘ 𝐺 ) ) ⟩ )