| Step |
Hyp |
Ref |
Expression |
| 1 |
|
phop.2 |
⊢ 𝐺 = ( +𝑣 ‘ 𝑈 ) |
| 2 |
|
phop.4 |
⊢ 𝑆 = ( ·𝑠OLD ‘ 𝑈 ) |
| 3 |
|
phop.6 |
⊢ 𝑁 = ( normCV ‘ 𝑈 ) |
| 4 |
|
phrel |
⊢ Rel CPreHilOLD |
| 5 |
|
1st2nd |
⊢ ( ( Rel CPreHilOLD ∧ 𝑈 ∈ CPreHilOLD ) → 𝑈 = 〈 ( 1st ‘ 𝑈 ) , ( 2nd ‘ 𝑈 ) 〉 ) |
| 6 |
4 5
|
mpan |
⊢ ( 𝑈 ∈ CPreHilOLD → 𝑈 = 〈 ( 1st ‘ 𝑈 ) , ( 2nd ‘ 𝑈 ) 〉 ) |
| 7 |
3
|
nmcvfval |
⊢ 𝑁 = ( 2nd ‘ 𝑈 ) |
| 8 |
7
|
opeq2i |
⊢ 〈 ( 1st ‘ 𝑈 ) , 𝑁 〉 = 〈 ( 1st ‘ 𝑈 ) , ( 2nd ‘ 𝑈 ) 〉 |
| 9 |
|
phnv |
⊢ ( 𝑈 ∈ CPreHilOLD → 𝑈 ∈ NrmCVec ) |
| 10 |
|
eqid |
⊢ ( 1st ‘ 𝑈 ) = ( 1st ‘ 𝑈 ) |
| 11 |
10
|
nvvc |
⊢ ( 𝑈 ∈ NrmCVec → ( 1st ‘ 𝑈 ) ∈ CVecOLD ) |
| 12 |
|
vcrel |
⊢ Rel CVecOLD |
| 13 |
|
1st2nd |
⊢ ( ( Rel CVecOLD ∧ ( 1st ‘ 𝑈 ) ∈ CVecOLD ) → ( 1st ‘ 𝑈 ) = 〈 ( 1st ‘ ( 1st ‘ 𝑈 ) ) , ( 2nd ‘ ( 1st ‘ 𝑈 ) ) 〉 ) |
| 14 |
12 13
|
mpan |
⊢ ( ( 1st ‘ 𝑈 ) ∈ CVecOLD → ( 1st ‘ 𝑈 ) = 〈 ( 1st ‘ ( 1st ‘ 𝑈 ) ) , ( 2nd ‘ ( 1st ‘ 𝑈 ) ) 〉 ) |
| 15 |
1
|
vafval |
⊢ 𝐺 = ( 1st ‘ ( 1st ‘ 𝑈 ) ) |
| 16 |
2
|
smfval |
⊢ 𝑆 = ( 2nd ‘ ( 1st ‘ 𝑈 ) ) |
| 17 |
15 16
|
opeq12i |
⊢ 〈 𝐺 , 𝑆 〉 = 〈 ( 1st ‘ ( 1st ‘ 𝑈 ) ) , ( 2nd ‘ ( 1st ‘ 𝑈 ) ) 〉 |
| 18 |
14 17
|
eqtr4di |
⊢ ( ( 1st ‘ 𝑈 ) ∈ CVecOLD → ( 1st ‘ 𝑈 ) = 〈 𝐺 , 𝑆 〉 ) |
| 19 |
9 11 18
|
3syl |
⊢ ( 𝑈 ∈ CPreHilOLD → ( 1st ‘ 𝑈 ) = 〈 𝐺 , 𝑆 〉 ) |
| 20 |
19
|
opeq1d |
⊢ ( 𝑈 ∈ CPreHilOLD → 〈 ( 1st ‘ 𝑈 ) , 𝑁 〉 = 〈 〈 𝐺 , 𝑆 〉 , 𝑁 〉 ) |
| 21 |
8 20
|
eqtr3id |
⊢ ( 𝑈 ∈ CPreHilOLD → 〈 ( 1st ‘ 𝑈 ) , ( 2nd ‘ 𝑈 ) 〉 = 〈 〈 𝐺 , 𝑆 〉 , 𝑁 〉 ) |
| 22 |
6 21
|
eqtrd |
⊢ ( 𝑈 ∈ CPreHilOLD → 𝑈 = 〈 〈 𝐺 , 𝑆 〉 , 𝑁 〉 ) |