| Step |
Hyp |
Ref |
Expression |
| 1 |
|
ip1i.1 |
⊢ 𝑋 = ( BaseSet ‘ 𝑈 ) |
| 2 |
|
ip1i.2 |
⊢ 𝐺 = ( +𝑣 ‘ 𝑈 ) |
| 3 |
|
ip1i.4 |
⊢ 𝑆 = ( ·𝑠OLD ‘ 𝑈 ) |
| 4 |
|
ip1i.7 |
⊢ 𝑃 = ( ·𝑖OLD ‘ 𝑈 ) |
| 5 |
|
ip1i.9 |
⊢ 𝑈 ∈ CPreHilOLD |
| 6 |
|
ipdiri.8 |
⊢ 𝐴 ∈ 𝑋 |
| 7 |
|
ipdiri.9 |
⊢ 𝐵 ∈ 𝑋 |
| 8 |
|
ipdiri.10 |
⊢ 𝐶 ∈ 𝑋 |
| 9 |
|
2thalfe1 |
⊢ ( 2 · ( 1 / 2 ) ) = 1 |
| 10 |
9
|
oveq1i |
⊢ ( ( 2 · ( 1 / 2 ) ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) = ( 1 𝑆 ( 𝐴 𝐺 𝐵 ) ) |
| 11 |
5
|
phnvi |
⊢ 𝑈 ∈ NrmCVec |
| 12 |
|
2cn |
⊢ 2 ∈ ℂ |
| 13 |
|
halfcn |
⊢ ( 1 / 2 ) ∈ ℂ |
| 14 |
1 2
|
nvgcl |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋 ) → ( 𝐴 𝐺 𝐵 ) ∈ 𝑋 ) |
| 15 |
11 6 7 14
|
mp3an |
⊢ ( 𝐴 𝐺 𝐵 ) ∈ 𝑋 |
| 16 |
12 13 15
|
3pm3.2i |
⊢ ( 2 ∈ ℂ ∧ ( 1 / 2 ) ∈ ℂ ∧ ( 𝐴 𝐺 𝐵 ) ∈ 𝑋 ) |
| 17 |
1 3
|
nvsass |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ ( 2 ∈ ℂ ∧ ( 1 / 2 ) ∈ ℂ ∧ ( 𝐴 𝐺 𝐵 ) ∈ 𝑋 ) ) → ( ( 2 · ( 1 / 2 ) ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) = ( 2 𝑆 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) ) ) |
| 18 |
11 16 17
|
mp2an |
⊢ ( ( 2 · ( 1 / 2 ) ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) = ( 2 𝑆 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) ) |
| 19 |
1 3
|
nvsid |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ ( 𝐴 𝐺 𝐵 ) ∈ 𝑋 ) → ( 1 𝑆 ( 𝐴 𝐺 𝐵 ) ) = ( 𝐴 𝐺 𝐵 ) ) |
| 20 |
11 15 19
|
mp2an |
⊢ ( 1 𝑆 ( 𝐴 𝐺 𝐵 ) ) = ( 𝐴 𝐺 𝐵 ) |
| 21 |
10 18 20
|
3eqtr3i |
⊢ ( 2 𝑆 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) ) = ( 𝐴 𝐺 𝐵 ) |
| 22 |
21
|
oveq1i |
⊢ ( ( 2 𝑆 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) ) 𝑃 𝐶 ) = ( ( 𝐴 𝐺 𝐵 ) 𝑃 𝐶 ) |
| 23 |
1 3
|
nvscl |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ ( 1 / 2 ) ∈ ℂ ∧ ( 𝐴 𝐺 𝐵 ) ∈ 𝑋 ) → ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) ∈ 𝑋 ) |
| 24 |
11 13 15 23
|
mp3an |
⊢ ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) ∈ 𝑋 |
| 25 |
1 2 3 4 5 24 8
|
ip2i |
⊢ ( ( 2 𝑆 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) ) 𝑃 𝐶 ) = ( 2 · ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝑃 𝐶 ) ) |
| 26 |
22 25
|
eqtr3i |
⊢ ( ( 𝐴 𝐺 𝐵 ) 𝑃 𝐶 ) = ( 2 · ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝑃 𝐶 ) ) |
| 27 |
|
neg1cn |
⊢ - 1 ∈ ℂ |
| 28 |
1 3
|
nvscl |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ - 1 ∈ ℂ ∧ 𝐵 ∈ 𝑋 ) → ( - 1 𝑆 𝐵 ) ∈ 𝑋 ) |
| 29 |
11 27 7 28
|
mp3an |
⊢ ( - 1 𝑆 𝐵 ) ∈ 𝑋 |
| 30 |
1 2
|
nvgcl |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ ( - 1 𝑆 𝐵 ) ∈ 𝑋 ) → ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ∈ 𝑋 ) |
| 31 |
11 6 29 30
|
mp3an |
⊢ ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ∈ 𝑋 |
| 32 |
1 3
|
nvscl |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ ( 1 / 2 ) ∈ ℂ ∧ ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ∈ 𝑋 ) → ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ∈ 𝑋 ) |
| 33 |
11 13 31 32
|
mp3an |
⊢ ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ∈ 𝑋 |
| 34 |
1 2 3 4 5 24 33 8
|
ip1i |
⊢ ( ( ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝐺 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) 𝑃 𝐶 ) + ( ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝐺 ( - 1 𝑆 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) ) 𝑃 𝐶 ) ) = ( 2 · ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝑃 𝐶 ) ) |
| 35 |
|
eqid |
⊢ ( 1st ‘ 𝑈 ) = ( 1st ‘ 𝑈 ) |
| 36 |
35
|
nvvc |
⊢ ( 𝑈 ∈ NrmCVec → ( 1st ‘ 𝑈 ) ∈ CVecOLD ) |
| 37 |
11 36
|
ax-mp |
⊢ ( 1st ‘ 𝑈 ) ∈ CVecOLD |
| 38 |
2
|
vafval |
⊢ 𝐺 = ( 1st ‘ ( 1st ‘ 𝑈 ) ) |
| 39 |
38
|
vcablo |
⊢ ( ( 1st ‘ 𝑈 ) ∈ CVecOLD → 𝐺 ∈ AbelOp ) |
| 40 |
37 39
|
ax-mp |
⊢ 𝐺 ∈ AbelOp |
| 41 |
6 7
|
pm3.2i |
⊢ ( 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋 ) |
| 42 |
6 29
|
pm3.2i |
⊢ ( 𝐴 ∈ 𝑋 ∧ ( - 1 𝑆 𝐵 ) ∈ 𝑋 ) |
| 43 |
1 2
|
bafval |
⊢ 𝑋 = ran 𝐺 |
| 44 |
43
|
ablo4 |
⊢ ( ( 𝐺 ∈ AbelOp ∧ ( 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋 ) ∧ ( 𝐴 ∈ 𝑋 ∧ ( - 1 𝑆 𝐵 ) ∈ 𝑋 ) ) → ( ( 𝐴 𝐺 𝐵 ) 𝐺 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) = ( ( 𝐴 𝐺 𝐴 ) 𝐺 ( 𝐵 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) |
| 45 |
40 41 42 44
|
mp3an |
⊢ ( ( 𝐴 𝐺 𝐵 ) 𝐺 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) = ( ( 𝐴 𝐺 𝐴 ) 𝐺 ( 𝐵 𝐺 ( - 1 𝑆 𝐵 ) ) ) |
| 46 |
3
|
smfval |
⊢ 𝑆 = ( 2nd ‘ ( 1st ‘ 𝑈 ) ) |
| 47 |
38 46 43
|
vc2OLD |
⊢ ( ( ( 1st ‘ 𝑈 ) ∈ CVecOLD ∧ 𝐴 ∈ 𝑋 ) → ( 𝐴 𝐺 𝐴 ) = ( 2 𝑆 𝐴 ) ) |
| 48 |
37 6 47
|
mp2an |
⊢ ( 𝐴 𝐺 𝐴 ) = ( 2 𝑆 𝐴 ) |
| 49 |
|
eqid |
⊢ ( 0vec ‘ 𝑈 ) = ( 0vec ‘ 𝑈 ) |
| 50 |
1 2 3 49
|
nvrinv |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ 𝐵 ∈ 𝑋 ) → ( 𝐵 𝐺 ( - 1 𝑆 𝐵 ) ) = ( 0vec ‘ 𝑈 ) ) |
| 51 |
11 7 50
|
mp2an |
⊢ ( 𝐵 𝐺 ( - 1 𝑆 𝐵 ) ) = ( 0vec ‘ 𝑈 ) |
| 52 |
48 51
|
oveq12i |
⊢ ( ( 𝐴 𝐺 𝐴 ) 𝐺 ( 𝐵 𝐺 ( - 1 𝑆 𝐵 ) ) ) = ( ( 2 𝑆 𝐴 ) 𝐺 ( 0vec ‘ 𝑈 ) ) |
| 53 |
1 3
|
nvscl |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ 2 ∈ ℂ ∧ 𝐴 ∈ 𝑋 ) → ( 2 𝑆 𝐴 ) ∈ 𝑋 ) |
| 54 |
11 12 6 53
|
mp3an |
⊢ ( 2 𝑆 𝐴 ) ∈ 𝑋 |
| 55 |
1 2 49
|
nv0rid |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ ( 2 𝑆 𝐴 ) ∈ 𝑋 ) → ( ( 2 𝑆 𝐴 ) 𝐺 ( 0vec ‘ 𝑈 ) ) = ( 2 𝑆 𝐴 ) ) |
| 56 |
11 54 55
|
mp2an |
⊢ ( ( 2 𝑆 𝐴 ) 𝐺 ( 0vec ‘ 𝑈 ) ) = ( 2 𝑆 𝐴 ) |
| 57 |
45 52 56
|
3eqtri |
⊢ ( ( 𝐴 𝐺 𝐵 ) 𝐺 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) = ( 2 𝑆 𝐴 ) |
| 58 |
57
|
oveq2i |
⊢ ( ( 1 / 2 ) 𝑆 ( ( 𝐴 𝐺 𝐵 ) 𝐺 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) = ( ( 1 / 2 ) 𝑆 ( 2 𝑆 𝐴 ) ) |
| 59 |
13 12 6
|
3pm3.2i |
⊢ ( ( 1 / 2 ) ∈ ℂ ∧ 2 ∈ ℂ ∧ 𝐴 ∈ 𝑋 ) |
| 60 |
1 3
|
nvsass |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ ( ( 1 / 2 ) ∈ ℂ ∧ 2 ∈ ℂ ∧ 𝐴 ∈ 𝑋 ) ) → ( ( ( 1 / 2 ) · 2 ) 𝑆 𝐴 ) = ( ( 1 / 2 ) 𝑆 ( 2 𝑆 𝐴 ) ) ) |
| 61 |
11 59 60
|
mp2an |
⊢ ( ( ( 1 / 2 ) · 2 ) 𝑆 𝐴 ) = ( ( 1 / 2 ) 𝑆 ( 2 𝑆 𝐴 ) ) |
| 62 |
58 61
|
eqtr4i |
⊢ ( ( 1 / 2 ) 𝑆 ( ( 𝐴 𝐺 𝐵 ) 𝐺 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) = ( ( ( 1 / 2 ) · 2 ) 𝑆 𝐴 ) |
| 63 |
13 15 31
|
3pm3.2i |
⊢ ( ( 1 / 2 ) ∈ ℂ ∧ ( 𝐴 𝐺 𝐵 ) ∈ 𝑋 ∧ ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ∈ 𝑋 ) |
| 64 |
1 2 3
|
nvdi |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ ( ( 1 / 2 ) ∈ ℂ ∧ ( 𝐴 𝐺 𝐵 ) ∈ 𝑋 ∧ ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ∈ 𝑋 ) ) → ( ( 1 / 2 ) 𝑆 ( ( 𝐴 𝐺 𝐵 ) 𝐺 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) = ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝐺 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) ) |
| 65 |
11 63 64
|
mp2an |
⊢ ( ( 1 / 2 ) 𝑆 ( ( 𝐴 𝐺 𝐵 ) 𝐺 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) = ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝐺 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) |
| 66 |
|
ax-1cn |
⊢ 1 ∈ ℂ |
| 67 |
|
2ne0 |
⊢ 2 ≠ 0 |
| 68 |
66 12 67
|
divcan1i |
⊢ ( ( 1 / 2 ) · 2 ) = 1 |
| 69 |
68
|
oveq1i |
⊢ ( ( ( 1 / 2 ) · 2 ) 𝑆 𝐴 ) = ( 1 𝑆 𝐴 ) |
| 70 |
1 3
|
nvsid |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ) → ( 1 𝑆 𝐴 ) = 𝐴 ) |
| 71 |
11 6 70
|
mp2an |
⊢ ( 1 𝑆 𝐴 ) = 𝐴 |
| 72 |
69 71
|
eqtri |
⊢ ( ( ( 1 / 2 ) · 2 ) 𝑆 𝐴 ) = 𝐴 |
| 73 |
62 65 72
|
3eqtr3i |
⊢ ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝐺 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) = 𝐴 |
| 74 |
73
|
oveq1i |
⊢ ( ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝐺 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) 𝑃 𝐶 ) = ( 𝐴 𝑃 𝐶 ) |
| 75 |
27 13
|
mulcomi |
⊢ ( - 1 · ( 1 / 2 ) ) = ( ( 1 / 2 ) · - 1 ) |
| 76 |
75
|
oveq1i |
⊢ ( ( - 1 · ( 1 / 2 ) ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) = ( ( ( 1 / 2 ) · - 1 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) |
| 77 |
27 13 31
|
3pm3.2i |
⊢ ( - 1 ∈ ℂ ∧ ( 1 / 2 ) ∈ ℂ ∧ ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ∈ 𝑋 ) |
| 78 |
1 3
|
nvsass |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ ( - 1 ∈ ℂ ∧ ( 1 / 2 ) ∈ ℂ ∧ ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ∈ 𝑋 ) ) → ( ( - 1 · ( 1 / 2 ) ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) = ( - 1 𝑆 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) ) |
| 79 |
11 77 78
|
mp2an |
⊢ ( ( - 1 · ( 1 / 2 ) ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) = ( - 1 𝑆 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) |
| 80 |
13 27 31
|
3pm3.2i |
⊢ ( ( 1 / 2 ) ∈ ℂ ∧ - 1 ∈ ℂ ∧ ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ∈ 𝑋 ) |
| 81 |
1 3
|
nvsass |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ ( ( 1 / 2 ) ∈ ℂ ∧ - 1 ∈ ℂ ∧ ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ∈ 𝑋 ) ) → ( ( ( 1 / 2 ) · - 1 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) = ( ( 1 / 2 ) 𝑆 ( - 1 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) ) |
| 82 |
11 80 81
|
mp2an |
⊢ ( ( ( 1 / 2 ) · - 1 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) = ( ( 1 / 2 ) 𝑆 ( - 1 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) |
| 83 |
27 6 29
|
3pm3.2i |
⊢ ( - 1 ∈ ℂ ∧ 𝐴 ∈ 𝑋 ∧ ( - 1 𝑆 𝐵 ) ∈ 𝑋 ) |
| 84 |
1 2 3
|
nvdi |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ ( - 1 ∈ ℂ ∧ 𝐴 ∈ 𝑋 ∧ ( - 1 𝑆 𝐵 ) ∈ 𝑋 ) ) → ( - 1 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) = ( ( - 1 𝑆 𝐴 ) 𝐺 ( - 1 𝑆 ( - 1 𝑆 𝐵 ) ) ) ) |
| 85 |
11 83 84
|
mp2an |
⊢ ( - 1 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) = ( ( - 1 𝑆 𝐴 ) 𝐺 ( - 1 𝑆 ( - 1 𝑆 𝐵 ) ) ) |
| 86 |
|
neg1mulneg1e1 |
⊢ ( - 1 · - 1 ) = 1 |
| 87 |
86
|
oveq1i |
⊢ ( ( - 1 · - 1 ) 𝑆 𝐵 ) = ( 1 𝑆 𝐵 ) |
| 88 |
27 27 7
|
3pm3.2i |
⊢ ( - 1 ∈ ℂ ∧ - 1 ∈ ℂ ∧ 𝐵 ∈ 𝑋 ) |
| 89 |
1 3
|
nvsass |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ ( - 1 ∈ ℂ ∧ - 1 ∈ ℂ ∧ 𝐵 ∈ 𝑋 ) ) → ( ( - 1 · - 1 ) 𝑆 𝐵 ) = ( - 1 𝑆 ( - 1 𝑆 𝐵 ) ) ) |
| 90 |
11 88 89
|
mp2an |
⊢ ( ( - 1 · - 1 ) 𝑆 𝐵 ) = ( - 1 𝑆 ( - 1 𝑆 𝐵 ) ) |
| 91 |
1 3
|
nvsid |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ 𝐵 ∈ 𝑋 ) → ( 1 𝑆 𝐵 ) = 𝐵 ) |
| 92 |
11 7 91
|
mp2an |
⊢ ( 1 𝑆 𝐵 ) = 𝐵 |
| 93 |
87 90 92
|
3eqtr3i |
⊢ ( - 1 𝑆 ( - 1 𝑆 𝐵 ) ) = 𝐵 |
| 94 |
93
|
oveq2i |
⊢ ( ( - 1 𝑆 𝐴 ) 𝐺 ( - 1 𝑆 ( - 1 𝑆 𝐵 ) ) ) = ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) |
| 95 |
85 94
|
eqtri |
⊢ ( - 1 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) = ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) |
| 96 |
95
|
oveq2i |
⊢ ( ( 1 / 2 ) 𝑆 ( - 1 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) = ( ( 1 / 2 ) 𝑆 ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ) |
| 97 |
82 96
|
eqtri |
⊢ ( ( ( 1 / 2 ) · - 1 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) = ( ( 1 / 2 ) 𝑆 ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ) |
| 98 |
76 79 97
|
3eqtr3i |
⊢ ( - 1 𝑆 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) = ( ( 1 / 2 ) 𝑆 ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ) |
| 99 |
98
|
oveq2i |
⊢ ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝐺 ( - 1 𝑆 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) ) = ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝐺 ( ( 1 / 2 ) 𝑆 ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ) ) |
| 100 |
1 3
|
nvscl |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ - 1 ∈ ℂ ∧ 𝐴 ∈ 𝑋 ) → ( - 1 𝑆 𝐴 ) ∈ 𝑋 ) |
| 101 |
11 27 6 100
|
mp3an |
⊢ ( - 1 𝑆 𝐴 ) ∈ 𝑋 |
| 102 |
1 2
|
nvgcl |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ ( - 1 𝑆 𝐴 ) ∈ 𝑋 ∧ 𝐵 ∈ 𝑋 ) → ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ∈ 𝑋 ) |
| 103 |
11 101 7 102
|
mp3an |
⊢ ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ∈ 𝑋 |
| 104 |
13 15 103
|
3pm3.2i |
⊢ ( ( 1 / 2 ) ∈ ℂ ∧ ( 𝐴 𝐺 𝐵 ) ∈ 𝑋 ∧ ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ∈ 𝑋 ) |
| 105 |
1 2 3
|
nvdi |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ ( ( 1 / 2 ) ∈ ℂ ∧ ( 𝐴 𝐺 𝐵 ) ∈ 𝑋 ∧ ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ∈ 𝑋 ) ) → ( ( 1 / 2 ) 𝑆 ( ( 𝐴 𝐺 𝐵 ) 𝐺 ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ) ) = ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝐺 ( ( 1 / 2 ) 𝑆 ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ) ) ) |
| 106 |
11 104 105
|
mp2an |
⊢ ( ( 1 / 2 ) 𝑆 ( ( 𝐴 𝐺 𝐵 ) 𝐺 ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ) ) = ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝐺 ( ( 1 / 2 ) 𝑆 ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ) ) |
| 107 |
99 106
|
eqtr4i |
⊢ ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝐺 ( - 1 𝑆 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) ) = ( ( 1 / 2 ) 𝑆 ( ( 𝐴 𝐺 𝐵 ) 𝐺 ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ) ) |
| 108 |
101 7
|
pm3.2i |
⊢ ( ( - 1 𝑆 𝐴 ) ∈ 𝑋 ∧ 𝐵 ∈ 𝑋 ) |
| 109 |
43
|
ablo4 |
⊢ ( ( 𝐺 ∈ AbelOp ∧ ( 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋 ) ∧ ( ( - 1 𝑆 𝐴 ) ∈ 𝑋 ∧ 𝐵 ∈ 𝑋 ) ) → ( ( 𝐴 𝐺 𝐵 ) 𝐺 ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ) = ( ( 𝐴 𝐺 ( - 1 𝑆 𝐴 ) ) 𝐺 ( 𝐵 𝐺 𝐵 ) ) ) |
| 110 |
40 41 108 109
|
mp3an |
⊢ ( ( 𝐴 𝐺 𝐵 ) 𝐺 ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ) = ( ( 𝐴 𝐺 ( - 1 𝑆 𝐴 ) ) 𝐺 ( 𝐵 𝐺 𝐵 ) ) |
| 111 |
1 2 3 49
|
nvrinv |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ) → ( 𝐴 𝐺 ( - 1 𝑆 𝐴 ) ) = ( 0vec ‘ 𝑈 ) ) |
| 112 |
11 6 111
|
mp2an |
⊢ ( 𝐴 𝐺 ( - 1 𝑆 𝐴 ) ) = ( 0vec ‘ 𝑈 ) |
| 113 |
112
|
oveq1i |
⊢ ( ( 𝐴 𝐺 ( - 1 𝑆 𝐴 ) ) 𝐺 ( 𝐵 𝐺 𝐵 ) ) = ( ( 0vec ‘ 𝑈 ) 𝐺 ( 𝐵 𝐺 𝐵 ) ) |
| 114 |
1 2
|
nvgcl |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ 𝐵 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋 ) → ( 𝐵 𝐺 𝐵 ) ∈ 𝑋 ) |
| 115 |
11 7 7 114
|
mp3an |
⊢ ( 𝐵 𝐺 𝐵 ) ∈ 𝑋 |
| 116 |
1 2 49
|
nv0lid |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ ( 𝐵 𝐺 𝐵 ) ∈ 𝑋 ) → ( ( 0vec ‘ 𝑈 ) 𝐺 ( 𝐵 𝐺 𝐵 ) ) = ( 𝐵 𝐺 𝐵 ) ) |
| 117 |
11 115 116
|
mp2an |
⊢ ( ( 0vec ‘ 𝑈 ) 𝐺 ( 𝐵 𝐺 𝐵 ) ) = ( 𝐵 𝐺 𝐵 ) |
| 118 |
113 117
|
eqtri |
⊢ ( ( 𝐴 𝐺 ( - 1 𝑆 𝐴 ) ) 𝐺 ( 𝐵 𝐺 𝐵 ) ) = ( 𝐵 𝐺 𝐵 ) |
| 119 |
38 46 43
|
vc2OLD |
⊢ ( ( ( 1st ‘ 𝑈 ) ∈ CVecOLD ∧ 𝐵 ∈ 𝑋 ) → ( 𝐵 𝐺 𝐵 ) = ( 2 𝑆 𝐵 ) ) |
| 120 |
37 7 119
|
mp2an |
⊢ ( 𝐵 𝐺 𝐵 ) = ( 2 𝑆 𝐵 ) |
| 121 |
110 118 120
|
3eqtri |
⊢ ( ( 𝐴 𝐺 𝐵 ) 𝐺 ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ) = ( 2 𝑆 𝐵 ) |
| 122 |
121
|
oveq2i |
⊢ ( ( 1 / 2 ) 𝑆 ( ( 𝐴 𝐺 𝐵 ) 𝐺 ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ) ) = ( ( 1 / 2 ) 𝑆 ( 2 𝑆 𝐵 ) ) |
| 123 |
13 12 7
|
3pm3.2i |
⊢ ( ( 1 / 2 ) ∈ ℂ ∧ 2 ∈ ℂ ∧ 𝐵 ∈ 𝑋 ) |
| 124 |
1 3
|
nvsass |
⊢ ( ( 𝑈 ∈ NrmCVec ∧ ( ( 1 / 2 ) ∈ ℂ ∧ 2 ∈ ℂ ∧ 𝐵 ∈ 𝑋 ) ) → ( ( ( 1 / 2 ) · 2 ) 𝑆 𝐵 ) = ( ( 1 / 2 ) 𝑆 ( 2 𝑆 𝐵 ) ) ) |
| 125 |
11 123 124
|
mp2an |
⊢ ( ( ( 1 / 2 ) · 2 ) 𝑆 𝐵 ) = ( ( 1 / 2 ) 𝑆 ( 2 𝑆 𝐵 ) ) |
| 126 |
68
|
oveq1i |
⊢ ( ( ( 1 / 2 ) · 2 ) 𝑆 𝐵 ) = ( 1 𝑆 𝐵 ) |
| 127 |
122 125 126
|
3eqtr2i |
⊢ ( ( 1 / 2 ) 𝑆 ( ( 𝐴 𝐺 𝐵 ) 𝐺 ( ( - 1 𝑆 𝐴 ) 𝐺 𝐵 ) ) ) = ( 1 𝑆 𝐵 ) |
| 128 |
107 127 92
|
3eqtri |
⊢ ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝐺 ( - 1 𝑆 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) ) = 𝐵 |
| 129 |
128
|
oveq1i |
⊢ ( ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝐺 ( - 1 𝑆 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) ) 𝑃 𝐶 ) = ( 𝐵 𝑃 𝐶 ) |
| 130 |
74 129
|
oveq12i |
⊢ ( ( ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝐺 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) 𝑃 𝐶 ) + ( ( ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 𝐵 ) ) 𝐺 ( - 1 𝑆 ( ( 1 / 2 ) 𝑆 ( 𝐴 𝐺 ( - 1 𝑆 𝐵 ) ) ) ) ) 𝑃 𝐶 ) ) = ( ( 𝐴 𝑃 𝐶 ) + ( 𝐵 𝑃 𝐶 ) ) |
| 131 |
26 34 130
|
3eqtr2i |
⊢ ( ( 𝐴 𝐺 𝐵 ) 𝑃 𝐶 ) = ( ( 𝐴 𝑃 𝐶 ) + ( 𝐵 𝑃 𝐶 ) ) |