Proof of Theorem ocsh
| Step | Hyp | Ref
| Expression |
| 1 | | ssrab 1556 |
. . . . 5
⊢ {x
∈ ℋ ∣∀y ∈
A (x
·i y) = 0}
⊆ ℋ |
| 2 | | ocvalt 5161 |
. . . . . 6
⊢ (A
⊆ ℋ → (⊥ ‘A) =
{x ∈ ℋ ∣∀y ∈ A
(x ·i
y) = 0}) |
| 3 | 2 | sseq1d 1527 |
. . . . 5
⊢ (A
⊆ ℋ → ((⊥ ‘A)
⊆ ℋ ↔ {x ∈ ℋ
∣∀y ∈ A (x
·i y) = 0}
⊆ ℋ )) |
| 4 | 1, 3 | mpbiri 169 |
. . . 4
⊢ (A
⊆ ℋ → (⊥ ‘A)
⊆ ℋ ) |
| 5 | | ssel 1502 |
. . . . . . . 8
⊢ (A
⊆ ℋ → (y ∈ A → y
∈ ℋ )) |
| 6 | | hizer1t 5054 |
. . . . . . . 8
⊢ (y
∈ ℋ → (0v ·i
y) = 0) |
| 7 | 5, 6 | syl6 23 |
. . . . . . 7
⊢ (A
⊆ ℋ → (y ∈ A → (0v
·i y) =
0)) |
| 8 | 7 | r19.21aiv 1259 |
. . . . . 6
⊢ (A
⊆ ℋ → ∀y ∈
A (0v
·i y) =
0) |
| 9 | | ax-hvzercl 4987 |
. . . . . 6
⊢ 0v ∈
ℋ |
| 10 | 8, 9 | jctil 240 |
. . . . 5
⊢ (A
⊆ ℋ → (0v ∈ ℋ ∧
∀y ∈ A (0v
·i y) =
0)) |
| 11 | | ocelt 5162 |
. . . . 5
⊢ (A
⊆ ℋ → (0v ∈ (⊥ ‘A) ↔ (0v ∈ ℋ ∧
∀y ∈ A (0v
·i y) =
0))) |
| 12 | 10, 11 | mpbird 171 |
. . . 4
⊢ (A
⊆ ℋ → 0v ∈ (⊥ ‘A)) |
| 13 | 4, 12 | jca 236 |
. . 3
⊢ (A
⊆ ℋ → ((⊥ ‘A)
⊆ ℋ ∧ 0v ∈ (⊥ ‘A))) |
| 14 | | ax-his2 5046 |
. . . . . . . . . . . . . . . . . 18
⊢ ((x
∈ ℋ ∧ y ∈ ℋ ∧
z ∈ ℋ ) → ((x +v y) ·i z) = ((x
·i z) +
(y ·i
z))) |
| 15 | 14 | 3expa 612 |
. . . . . . . . . . . . . . . . 17
⊢ (((x
∈ ℋ ∧ y ∈ ℋ )
∧ z ∈ ℋ ) → ((x +v y) ·i z) = ((x
·i z) +
(y ·i
z))) |
| 16 | | opreq12 3008 |
. . . . . . . . . . . . . . . . . 18
⊢ (((x
·i z) = 0
∧ (y ·i
z) = 0) → ((x ·i z) + (y
·i z)) = (0
+ 0)) |
| 17 | | 0cn 4100 |
. . . . . . . . . . . . . . . . . . 19
⊢ 0 ∈ ℂ |
| 18 | 17 | addid1 4112 |
. . . . . . . . . . . . . . . . . 18
⊢ (0 + 0) = 0 |
| 19 | 16, 18 | syl6eq 1140 |
. . . . . . . . . . . . . . . . 17
⊢ (((x
·i z) = 0
∧ (y ·i
z) = 0) → ((x ·i z) + (y
·i z)) =
0) |
| 20 | 15, 19 | sylan9eq 1144 |
. . . . . . . . . . . . . . . 16
⊢ ((((x
∈ ℋ ∧ y ∈ ℋ )
∧ z ∈ ℋ ) ∧ ((x ·i z) = 0 ∧ (y
·i z) = 0))
→ ((x +v y) ·i z) = 0) |
| 21 | 20 | exp 291 |
. . . . . . . . . . . . . . 15
⊢ (((x
∈ ℋ ∧ y ∈ ℋ )
∧ z ∈ ℋ ) → (((x ·i z) = 0 ∧ (y
·i z) = 0)
→ ((x +v y) ·i z) = 0)) |
| 22 | 21 | ancoms 334 |
. . . . . . . . . . . . . 14
⊢ ((z
∈ ℋ ∧ (x ∈ ℋ
∧ y ∈ ℋ )) →
(((x ·i
z) = 0 ∧ (y ·i z) = 0) → ((x +v y) ·i z) = 0)) |
| 23 | | ssel2 1503 |
. . . . . . . . . . . . . 14
⊢ ((A
⊆ ℋ ∧ z ∈ A) → z
∈ ℋ ) |
| 24 | 22, 23 | sylan 343 |
. . . . . . . . . . . . 13
⊢ (((A
⊆ ℋ ∧ z ∈ A) ∧ (x
∈ ℋ ∧ y ∈ ℋ ))
→ (((x
·i z) = 0
∧ (y ·i
z) = 0) → ((x +v y) ·i z) = 0)) |
| 25 | 24 | an1rs 373 |
. . . . . . . . . . . 12
⊢ (((A
⊆ ℋ ∧ (x ∈ ℋ
∧ y ∈ ℋ )) ∧ z ∈ A)
→ (((x
·i z) = 0
∧ (y ·i
z) = 0) → ((x +v y) ·i z) = 0)) |
| 26 | 25 | r19.20dva 1256 |
. . . . . . . . . . 11
⊢ ((A
⊆ ℋ ∧ (x ∈ ℋ
∧ y ∈ ℋ )) →
(∀z ∈ A ((x
·i z) = 0
∧ (y ·i
z) = 0) → ∀z ∈ A
((x +v y) ·i z) = 0)) |
| 27 | 26 | exp 291 |
. . . . . . . . . 10
⊢ (A
⊆ ℋ → ((x ∈ ℋ
∧ y ∈ ℋ ) →
(∀z ∈ A ((x
·i z) = 0
∧ (y ·i
z) = 0) → ∀z ∈ A
((x +v y) ·i z) = 0))) |
| 28 | 27 | imdistand 342 |
. . . . . . . . 9
⊢ (A
⊆ ℋ → (((x ∈ ℋ
∧ y ∈ ℋ ) ∧
∀z ∈ A ((x
·i z) = 0
∧ (y ·i
z) = 0)) → ((x ∈ ℋ ∧ y ∈ ℋ ) ∧ ∀z ∈ A
((x +v y) ·i z) = 0))) |
| 29 | | ax-hvaddcl 4984 |
. . . . . . . . . 10
⊢ ((x
∈ ℋ ∧ y ∈ ℋ )
→ (x +v y) ∈ ℋ ) |
| 30 | 29 | anim1i 269 |
. . . . . . . . 9
⊢ (((x
∈ ℋ ∧ y ∈ ℋ )
∧ ∀z ∈ A ((x
+v y)
·i z) = 0)
→ ((x +v y) ∈ ℋ ∧ ∀z ∈ A
((x +v y) ·i z) = 0)) |
| 31 | 28, 30 | syl6 23 |
. . . . . . . 8
⊢ (A
⊆ ℋ → (((x ∈ ℋ
∧ y ∈ ℋ ) ∧
∀z ∈ A ((x
·i z) = 0
∧ (y ·i
z) = 0)) → ((x +v y) ∈ ℋ ∧ ∀z ∈ A
((x +v y) ·i z) = 0))) |
| 32 | | ocelt 5162 |
. . . . . . . . . 10
⊢ (A
⊆ ℋ → (x ∈ (⊥
‘A) ↔ (x ∈ ℋ ∧ ∀z ∈ A
(x ·i
z) = 0))) |
| 33 | | ocelt 5162 |
. . . . . . . . . 10
⊢ (A
⊆ ℋ → (y ∈ (⊥
‘A) ↔ (y ∈ ℋ ∧ ∀z ∈ A
(y ·i
z) = 0))) |
| 34 | 32, 33 | anbi12d 476 |
. . . . . . . . 9
⊢ (A
⊆ ℋ → ((x ∈ (⊥
‘A) ∧ y ∈ (⊥ ‘A)) ↔ ((x
∈ ℋ ∧ ∀z ∈
A (x
·i z) = 0)
∧ (y ∈ ℋ ∧
∀z ∈ A (y
·i z) =
0)))) |
| 35 | | an4 388 |
. . . . . . . . . 10
⊢ (((x
∈ ℋ ∧ ∀z ∈
A (x
·i z) = 0)
∧ (y ∈ ℋ ∧
∀z ∈ A (y
·i z) = 0))
↔ ((x ∈ ℋ ∧ y ∈ ℋ ) ∧ (∀z ∈ A
(x ·i
z) = 0 ∧ ∀z ∈ A
(y ·i
z) = 0))) |
| 36 | | r19.26 1289 |
. . . . . . . . . . 11
⊢ (∀z ∈ A
((x ·i
z) = 0 ∧ (y ·i z) = 0) ↔ (∀z ∈ A
(x ·i
z) = 0 ∧ ∀z ∈ A
(y ·i
z) = 0)) |
| 37 | 36 | anbi2i 367 |
. . . . . . . . . 10
⊢ (((x
∈ ℋ ∧ y ∈ ℋ )
∧ ∀z ∈ A ((x
·i z) = 0
∧ (y ·i
z) = 0)) ↔ ((x ∈ ℋ ∧ y ∈ ℋ ) ∧ (∀z ∈ A
(x ·i
z) = 0 ∧ ∀z ∈ A
(y ·i
z) = 0))) |
| 38 | 35, 37 | bitr4 154 |
. . . . . . . . 9
⊢ (((x
∈ ℋ ∧ ∀z ∈
A (x
·i z) = 0)
∧ (y ∈ ℋ ∧
∀z ∈ A (y
·i z) = 0))
↔ ((x ∈ ℋ ∧ y ∈ ℋ ) ∧ ∀z ∈ A
((x ·i
z) = 0 ∧ (y ·i z) = 0))) |
| 39 | 34, 38 | syl6bb 414 |
. . . . . . . 8
⊢ (A
⊆ ℋ → ((x ∈ (⊥
‘A) ∧ y ∈ (⊥ ‘A)) ↔ ((x
∈ ℋ ∧ y ∈ ℋ )
∧ ∀z ∈ A ((x
·i z) = 0
∧ (y ·i
z) = 0)))) |
| 40 | | ocelt 5162 |
. . . . . . . 8
⊢ (A
⊆ ℋ → ((x
+v y) ∈ (⊥
‘A) ↔ ((x +v y) ∈ ℋ ∧ ∀z ∈ A
((x +v y) ·i z) = 0))) |
| 41 | 31, 39, 40 | 3imtr4d 421 |
. . . . . . 7
⊢ (A
⊆ ℋ → ((x ∈ (⊥
‘A) ∧ y ∈ (⊥ ‘A)) → (x
+v y) ∈ (⊥
‘A))) |
| 42 | 41 | exp3a 292 |
. . . . . 6
⊢ (A
⊆ ℋ → (x ∈ (⊥
‘A) → (y ∈ (⊥ ‘A) → (x
+v y) ∈ (⊥
‘A)))) |
| 43 | 42 | r19.21adv 1262 |
. . . . 5
⊢ (A
⊆ ℋ → (x ∈ (⊥
‘A) → ∀y ∈ (⊥ ‘A)(x
+v y) ∈ (⊥
‘A))) |
| 44 | 43 | r19.21aiv 1259 |
. . . 4
⊢ (A
⊆ ℋ → ∀x ∈
(⊥ ‘A)∀y ∈ (⊥ ‘A)(x
+v y) ∈ (⊥
‘A)) |
| 45 | | opreq2 3007 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((y
·i z) = 0
→ (x · (y ·i z)) = (x
· 0)) |
| 46 | 45 | cleq1d 1109 |
. . . . . . . . . . . . . . . . . 18
⊢ ((y
·i z) = 0
→ ((x · (y ·i z)) = 0 ↔ (x · 0) = 0)) |
| 47 | | mulzer1t 4188 |
. . . . . . . . . . . . . . . . . 18
⊢ (x
∈ ℂ → (x · 0) =
0) |
| 48 | 46, 47 | syl5bir 184 |
. . . . . . . . . . . . . . . . 17
⊢ ((y
·i z) = 0
→ (x ∈ ℂ → (x · (y
·i z)) =
0)) |
| 49 | 48 | com12 13 |
. . . . . . . . . . . . . . . 16
⊢ (x
∈ ℂ → ((y
·i z) = 0
→ (x · (y ·i z)) = 0)) |
| 50 | 49 | ad2antrl 322 |
. . . . . . . . . . . . . . 15
⊢ ((z
∈ ℋ ∧ (x ∈ ℂ
∧ y ∈ ℋ )) → ((y ·i z) = 0 → (x
· (y
·i z)) =
0)) |
| 51 | | ax-his3 5047 |
. . . . . . . . . . . . . . . . . 18
⊢ ((x
∈ ℂ ∧ y ∈ ℋ ∧
z ∈ ℋ ) → ((x ·s y) ·i z) = (x ·
(y ·i
z))) |
| 52 | 51 | cleq1d 1109 |
. . . . . . . . . . . . . . . . 17
⊢ ((x
∈ ℂ ∧ y ∈ ℋ ∧
z ∈ ℋ ) → (((x ·s y) ·i z) = 0 ↔ (x
· (y
·i z)) =
0)) |
| 53 | 52 | 3expa 612 |
. . . . . . . . . . . . . . . 16
⊢ (((x
∈ ℂ ∧ y ∈ ℋ )
∧ z ∈ ℋ ) → (((x ·s y) ·i z) = 0 ↔ (x
· (y
·i z)) =
0)) |
| 54 | 53 | ancoms 334 |
. . . . . . . . . . . . . . 15
⊢ ((z
∈ ℋ ∧ (x ∈ ℂ
∧ y ∈ ℋ )) →
(((x ·s
y) ·i
z) = 0 ↔ (x · (y
·i z)) =
0)) |
| 55 | 50, 54 | sylibrd 179 |
. . . . . . . . . . . . . 14
⊢ ((z
∈ ℋ ∧ (x ∈ ℂ
∧ y ∈ ℋ )) → ((y ·i z) = 0 → ((x ·s y) ·i z) = 0)) |
| 56 | 55, 23 | sylan 343 |
. . . . . . . . . . . . 13
⊢ (((A
⊆ ℋ ∧ z ∈ A) ∧ (x
∈ ℂ ∧ y ∈ ℋ ))
→ ((y
·i z) = 0
→ ((x
·s y)
·i z) =
0)) |
| 57 | 56 | an1rs 373 |
. . . . . . . . . . . 12
⊢ (((A
⊆ ℋ ∧ (x ∈ ℂ
∧ y ∈ ℋ )) ∧ z ∈ A)
→ ((y
·i z) = 0
→ ((x
·s y)
·i z) =
0)) |
| 58 | 57 | r19.20dva 1256 |
. . . . . . . . . . 11
⊢ ((A
⊆ ℋ ∧ (x ∈ ℂ
∧ y ∈ ℋ )) →
(∀z ∈ A (y
·i z) = 0
→ ∀z ∈ A ((x
·s y)
·i z) =
0)) |
| 59 | 58 | exp 291 |
. . . . . . . . . 10
⊢ (A
⊆ ℋ → ((x ∈ ℂ
∧ y ∈ ℋ ) →
(∀z ∈ A (y
·i z) = 0
→ ∀z ∈ A ((x
·s y)
·i z) =
0))) |
| 60 | 59 | imdistand 342 |
. . . . . . . . 9
⊢ (A
⊆ ℋ → (((x ∈ ℂ
∧ y ∈ ℋ ) ∧
∀z ∈ A (y
·i z) = 0)
→ ((x ∈ ℂ ∧ y ∈ ℋ ) ∧ ∀z ∈ A
((x ·s
y) ·i
z) = 0))) |
| 61 | | ax-hvmulcl 4989 |
. . . . . . . . . 10
⊢ ((x
∈ ℂ ∧ y ∈ ℋ )
→ (x
·s y)
∈ ℋ ) |
| 62 | 61 | anim1i 269 |
. . . . . . . . 9
⊢ (((x
∈ ℂ ∧ y ∈ ℋ )
∧ ∀z ∈ A ((x
·s y)
·i z) = 0)
→ ((x
·s y)
∈ ℋ ∧ ∀z ∈
A ((x
·s y)
·i z) =
0)) |
| 63 | 60, 62 | syl6 23 |
. . . . . . . 8
⊢ (A
⊆ ℋ → (((x ∈ ℂ
∧ y ∈ ℋ ) ∧
∀z ∈ A (y
·i z) = 0)
→ ((x
·s y)
∈ ℋ ∧ ∀z ∈
A ((x
·s y)
·i z) =
0))) |
| 64 | 33 | anbi2d 468 |
. . . . . . . . 9
⊢ (A
⊆ ℋ → ((x ∈ ℂ
∧ y ∈ (⊥ ‘A)) ↔ (x
∈ ℂ ∧ (y ∈ ℋ
∧ ∀z ∈ A (y
·i z) =
0)))) |
| 65 | | anass 336 |
. . . . . . . . 9
⊢ (((x
∈ ℂ ∧ y ∈ ℋ )
∧ ∀z ∈ A (y
·i z) = 0)
↔ (x ∈ ℂ ∧ (y ∈ ℋ ∧ ∀z ∈ A
(y ·i
z) = 0))) |
| 66 | 64, 65 | syl6bbr 416 |
. . . . . . . 8
⊢ (A
⊆ ℋ → ((x ∈ ℂ
∧ y ∈ (⊥ ‘A)) ↔ ((x
∈ ℂ ∧ y ∈ ℋ )
∧ ∀z ∈ A (y
·i z) =
0))) |
| 67 | | ocelt 5162 |
. . . . . . . 8
⊢ (A
⊆ ℋ → ((x
·s y)
∈ (⊥ ‘A) ↔ ((x ·s y) ∈ ℋ ∧ ∀z ∈ A
((x ·s
y) ·i
z) = 0))) |
| 68 | 63, 66, 67 | 3imtr4d 421 |
. . . . . . 7
⊢ (A
⊆ ℋ → ((x ∈ ℂ
∧ y ∈ (⊥ ‘A)) → (x
·s y)
∈ (⊥ ‘A))) |
| 69 | 68 | exp3a 292 |
. . . . . 6
⊢ (A
⊆ ℋ → (x ∈ ℂ
→ (y ∈ (⊥ ‘A) → (x
·s y)
∈ (⊥ ‘A)))) |
| 70 | 69 | r19.21adv 1262 |
. . . . 5
⊢ (A
⊆ ℋ → (x ∈ ℂ
→ ∀y ∈ (⊥
‘A)(x ·s y) ∈ (⊥ ‘A))) |
| 71 | 70 | r19.21aiv 1259 |
. . . 4
⊢ (A
⊆ ℋ → ∀x ∈
ℂ ∀y ∈ (⊥
‘A)(x ·s y) ∈ (⊥ ‘A)) |
| 72 | 44, 71 | jca 236 |
. . 3
⊢ (A
⊆ ℋ → (∀x ∈
(⊥ ‘A)∀y ∈ (⊥ ‘A)(x
+v y) ∈ (⊥
‘A) ∧ ∀x ∈ ℂ ∀y ∈ (⊥ ‘A)(x
·s y)
∈ (⊥ ‘A))) |
| 73 | 13, 72 | jca 236 |
. 2
⊢ (A
⊆ ℋ → (((⊥ ‘A)
⊆ ℋ ∧ 0v ∈ (⊥ ‘A)) ∧ (∀x ∈ (⊥ ‘A)∀y
∈ (⊥ ‘A)(x +v y) ∈ (⊥ ‘A) ∧ ∀x ∈ ℂ ∀y ∈ (⊥ ‘A)(x
·s y)
∈ (⊥ ‘A)))) |
| 74 | | sh 5116 |
. 2
⊢ ((⊥ ‘A) ∈ Sℋ ↔
(((⊥ ‘A) ⊆ ℋ ∧
0v ∈ (⊥ ‘A)) ∧ (∀x ∈ (⊥ ‘A)∀y
∈ (⊥ ‘A)(x +v y) ∈ (⊥ ‘A) ∧ ∀x ∈ ℂ ∀y ∈ (⊥ ‘A)(x
·s y)
∈ (⊥ ‘A)))) |
| 75 | 73, 74 | sylibr 175 |
1
⊢ (A
⊆ ℋ → (⊥ ‘A)
∈ Sℋ ) |