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 e. CPreHilOLD ) -> U = <. ( 1st ` U ) , ( 2nd ` U ) >. ) |
6 |
4 5
|
mpan |
|- ( U e. 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 e. CPreHilOLD -> U e. NrmCVec ) |
10 |
|
eqid |
|- ( 1st ` U ) = ( 1st ` U ) |
11 |
10
|
nvvc |
|- ( U e. NrmCVec -> ( 1st ` U ) e. CVecOLD ) |
12 |
|
vcrel |
|- Rel CVecOLD |
13 |
|
1st2nd |
|- ( ( Rel CVecOLD /\ ( 1st ` U ) e. CVecOLD ) -> ( 1st ` U ) = <. ( 1st ` ( 1st ` U ) ) , ( 2nd ` ( 1st ` U ) ) >. ) |
14 |
12 13
|
mpan |
|- ( ( 1st ` U ) e. 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 ) e. CVecOLD -> ( 1st ` U ) = <. G , S >. ) |
19 |
9 11 18
|
3syl |
|- ( U e. CPreHilOLD -> ( 1st ` U ) = <. G , S >. ) |
20 |
19
|
opeq1d |
|- ( U e. CPreHilOLD -> <. ( 1st ` U ) , N >. = <. <. G , S >. , N >. ) |
21 |
8 20
|
eqtr3id |
|- ( U e. CPreHilOLD -> <. ( 1st ` U ) , ( 2nd ` U ) >. = <. <. G , S >. , N >. ) |
22 |
6 21
|
eqtrd |
|- ( U e. CPreHilOLD -> U = <. <. G , S >. , N >. ) |