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 ) ) 〉 ) |