Step |
Hyp |
Ref |
Expression |
0 |
|
cmul |
|- x. |
1 |
|
vx |
|- x |
2 |
|
vy |
|- y |
3 |
|
vz |
|- z |
4 |
1
|
cv |
|- x |
5 |
|
cc |
|- CC |
6 |
4 5
|
wcel |
|- x e. CC |
7 |
2
|
cv |
|- y |
8 |
7 5
|
wcel |
|- y e. CC |
9 |
6 8
|
wa |
|- ( x e. CC /\ y e. CC ) |
10 |
|
vw |
|- w |
11 |
|
vv |
|- v |
12 |
|
vu |
|- u |
13 |
|
vf |
|- f |
14 |
10
|
cv |
|- w |
15 |
11
|
cv |
|- v |
16 |
14 15
|
cop |
|- <. w , v >. |
17 |
4 16
|
wceq |
|- x = <. w , v >. |
18 |
12
|
cv |
|- u |
19 |
13
|
cv |
|- f |
20 |
18 19
|
cop |
|- <. u , f >. |
21 |
7 20
|
wceq |
|- y = <. u , f >. |
22 |
17 21
|
wa |
|- ( x = <. w , v >. /\ y = <. u , f >. ) |
23 |
3
|
cv |
|- z |
24 |
|
cmr |
|- .R |
25 |
14 18 24
|
co |
|- ( w .R u ) |
26 |
|
cplr |
|- +R |
27 |
|
cm1r |
|- -1R |
28 |
15 19 24
|
co |
|- ( v .R f ) |
29 |
27 28 24
|
co |
|- ( -1R .R ( v .R f ) ) |
30 |
25 29 26
|
co |
|- ( ( w .R u ) +R ( -1R .R ( v .R f ) ) ) |
31 |
15 18 24
|
co |
|- ( v .R u ) |
32 |
14 19 24
|
co |
|- ( w .R f ) |
33 |
31 32 26
|
co |
|- ( ( v .R u ) +R ( w .R f ) ) |
34 |
30 33
|
cop |
|- <. ( ( w .R u ) +R ( -1R .R ( v .R f ) ) ) , ( ( v .R u ) +R ( w .R f ) ) >. |
35 |
23 34
|
wceq |
|- z = <. ( ( w .R u ) +R ( -1R .R ( v .R f ) ) ) , ( ( v .R u ) +R ( w .R f ) ) >. |
36 |
22 35
|
wa |
|- ( ( x = <. w , v >. /\ y = <. u , f >. ) /\ z = <. ( ( w .R u ) +R ( -1R .R ( v .R f ) ) ) , ( ( v .R u ) +R ( w .R f ) ) >. ) |
37 |
36 13
|
wex |
|- E. f ( ( x = <. w , v >. /\ y = <. u , f >. ) /\ z = <. ( ( w .R u ) +R ( -1R .R ( v .R f ) ) ) , ( ( v .R u ) +R ( w .R f ) ) >. ) |
38 |
37 12
|
wex |
|- E. u E. f ( ( x = <. w , v >. /\ y = <. u , f >. ) /\ z = <. ( ( w .R u ) +R ( -1R .R ( v .R f ) ) ) , ( ( v .R u ) +R ( w .R f ) ) >. ) |
39 |
38 11
|
wex |
|- E. v E. u E. f ( ( x = <. w , v >. /\ y = <. u , f >. ) /\ z = <. ( ( w .R u ) +R ( -1R .R ( v .R f ) ) ) , ( ( v .R u ) +R ( w .R f ) ) >. ) |
40 |
39 10
|
wex |
|- E. w E. v E. u E. f ( ( x = <. w , v >. /\ y = <. u , f >. ) /\ z = <. ( ( w .R u ) +R ( -1R .R ( v .R f ) ) ) , ( ( v .R u ) +R ( w .R f ) ) >. ) |
41 |
9 40
|
wa |
|- ( ( x e. CC /\ y e. CC ) /\ E. w E. v E. u E. f ( ( x = <. w , v >. /\ y = <. u , f >. ) /\ z = <. ( ( w .R u ) +R ( -1R .R ( v .R f ) ) ) , ( ( v .R u ) +R ( w .R f ) ) >. ) ) |
42 |
41 1 2 3
|
coprab |
|- { <. <. x , y >. , z >. | ( ( x e. CC /\ y e. CC ) /\ E. w E. v E. u E. f ( ( x = <. w , v >. /\ y = <. u , f >. ) /\ z = <. ( ( w .R u ) +R ( -1R .R ( v .R f ) ) ) , ( ( v .R u ) +R ( w .R f ) ) >. ) ) } |
43 |
0 42
|
wceq |
|- x. = { <. <. x , y >. , z >. | ( ( x e. CC /\ y e. CC ) /\ E. w E. v E. u E. f ( ( x = <. w , v >. /\ y = <. u , f >. ) /\ z = <. ( ( w .R u ) +R ( -1R .R ( v .R f ) ) ) , ( ( v .R u ) +R ( w .R f ) ) >. ) ) } |