Proof of Theorem superpos
| Step | Hyp | Ref
| Expression |
| 1 | | reeanv 1785 |
. . . 4
⊢ (∃y ∈ ℋ ∃z ∈ ℋ ((y ≠ 0h ⋀ A = (span
‘{y})) ⋀ (z ≠
0h ⋀ B = (span ‘{z}))) ↔ (∃y ∈ ℋ (y ≠ 0h ⋀ A = (span
‘{y})) ⋀ ∃z ∈ ℋ (z ≠
0h ⋀ B = (span ‘{z})))) |
| 2 | | neeq1 1597 |
. . . . . . . . . . 11
⊢ (A = (span ‘{y}) → (A
≠ B ↔ (span ‘{y}) ≠ B)) |
| 3 | | neeq2 1598 |
. . . . . . . . . . 11
⊢ (B = (span ‘{z}) → ((span ‘{y}) ≠ B
↔ (span ‘{y}) ≠ (span
‘{z}))) |
| 4 | 2, 3 | sylan9bb 543 |
. . . . . . . . . 10
⊢ ((A = (span ‘{y}) ⋀ B = (span ‘{z})) → (A
≠ B ↔ (span ‘{y}) ≠ (span ‘{z}))) |
| 5 | 4 | adantl 390 |
. . . . . . . . 9
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ (y ≠ 0h ⋀ z ≠
0h)) ⋀ (A = (span ‘{y}) ⋀ B = (span ‘{z}))) → (A
≠ B ↔ (span ‘{y}) ≠ (span ‘{z}))) |
| 6 | | neeq1 1597 |
. . . . . . . . . . . . 13
⊢ (x = (span ‘{(y +h z)}) → (x
≠ A ↔ (span ‘{(y +h z)}) ≠ A)) |
| 7 | | neeq1 1597 |
. . . . . . . . . . . . 13
⊢ (x = (span ‘{(y +h z)}) → (x
≠ B ↔ (span ‘{(y +h z)}) ≠ B)) |
| 8 | | sseq1 2093 |
. . . . . . . . . . . . 13
⊢ (x = (span ‘{(y +h z)}) → (x
⊆ (A
∨ℋ B) ↔ (span ‘{(y +h z)}) ⊆ (A ∨ℋ B))) |
| 9 | 6, 7, 8 | 3anbi123d 897 |
. . . . . . . . . . . 12
⊢ (x = (span ‘{(y +h z)}) → ((x
≠ A ⋀
x ≠ B ⋀ x ⊆ (A ∨ℋ B)) ↔ ((span ‘{(y +h z)}) ≠ A
⋀ (span ‘{(y +h z)}) ≠ B
⋀ (span ‘{(y +h z)}) ⊆ (A ∨ℋ B)))) |
| 10 | 9 | rcla4ev 1884 |
. . . . . . . . . . 11
⊢ (((span ‘{(y +h z)}) ∈ Atoms ⋀ ((span ‘{(y +h z)}) ≠ A
⋀ (span ‘{(y +h z)}) ≠ B
⋀ (span ‘{(y +h z)}) ⊆ (A ∨ℋ B))) → ∃x ∈ Atoms (x ≠
A ⋀
x ≠ B ⋀ x ⊆ (A ∨ℋ B))) |
| 11 | | spansna 10302 |
. . . . . . . . . . . . . 14
⊢ (((y +h z) ∈ ℋ ⋀ (y +h z) ≠ 0h) → (span
‘{(y +h z)}) ∈
Atoms) |
| 12 | | hvaddcl 8906 |
. . . . . . . . . . . . . . 15
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → (y
+h z) ∈ ℋ ) |
| 13 | 12 | adantr 391 |
. . . . . . . . . . . . . 14
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ (span
‘{y}) ≠ (span ‘{z})) → (y
+h z) ∈ ℋ ) |
| 14 | | hvaddeq0 8960 |
. . . . . . . . . . . . . . . . 17
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → ((y
+h z) =
0h ↔ y = (-1
·h z))) |
| 15 | | sneq 2429 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (y = (-1 ·h z) → {y} =
{(-1 ·h z)}) |
| 16 | 15 | fveq2d 3744 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (y = (-1 ·h z) → (span ‘{y}) = (span ‘{(-1
·h z)})) |
| 17 | | ax1cn 5289 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ 1 ∈ ℂ |
| 18 | 17 | negcli 5389 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ -1 ∈ ℂ |
| 19 | | ax1ne0 5300 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ 1 ≠ 0 |
| 20 | 17, 19 | negn0i 5820 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ -1 ≠ 0 |
| 21 | | spansncol 9515 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ((z ∈ ℋ ⋀ -1 ∈ ℂ ⋀ -1 ≠ 0) → (span ‘{(-1
·h z)}) =
(span ‘{z})) |
| 22 | 18, 20, 21 | mp3an23 912 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (z ∈ ℋ → (span ‘{(-1
·h z)}) =
(span ‘{z})) |
| 23 | 16, 22 | sylan9eqr 1536 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((z ∈ ℋ ⋀ y = (-1 ·h z)) → (span ‘{y}) = (span ‘{z})) |
| 24 | 23 | ex 373 |
. . . . . . . . . . . . . . . . . 18
⊢ (z ∈ ℋ → (y =
(-1 ·h z)
→ (span ‘{y}) = (span
‘{z}))) |
| 25 | 24 | adantl 390 |
. . . . . . . . . . . . . . . . 17
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → (y
= (-1 ·h z)
→ (span ‘{y}) = (span
‘{z}))) |
| 26 | 14, 25 | sylbid 203 |
. . . . . . . . . . . . . . . 16
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → ((y
+h z) =
0h → (span ‘{y}) = (span ‘{z}))) |
| 27 | 26 | necon3d 1611 |
. . . . . . . . . . . . . . 15
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → ((span ‘{y}) ≠ (span ‘{z}) → (y
+h z) ≠
0h)) |
| 28 | 27 | imp 350 |
. . . . . . . . . . . . . 14
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ (span
‘{y}) ≠ (span ‘{z})) → (y
+h z) ≠
0h) |
| 29 | 11, 13, 28 | sylanc 474 |
. . . . . . . . . . . . 13
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ (span
‘{y}) ≠ (span ‘{z})) → (span ‘{(y +h z)}) ∈
Atoms) |
| 30 | 29 | adantlr 395 |
. . . . . . . . . . . 12
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ (y ≠ 0h ⋀ z ≠
0h)) ⋀ (span
‘{y}) ≠ (span ‘{z})) → (span ‘{(y +h z)}) ∈
Atoms) |
| 31 | 30 | adantlr 395 |
. . . . . . . . . . 11
⊢ (((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ (y ≠ 0h ⋀ z ≠
0h)) ⋀ (A = (span ‘{y}) ⋀ B = (span ‘{z}))) ⋀ (span
‘{y}) ≠ (span ‘{z})) → (span ‘{(y +h z)}) ∈
Atoms) |
| 32 | | eqeq2 1491 |
. . . . . . . . . . . . . . . . . 18
⊢ (A = (span ‘{y}) → ((span ‘{(y +h z)}) = A ↔
(span ‘{(y +h
z)}) = (span ‘{y}))) |
| 33 | 32 | biimpd 153 |
. . . . . . . . . . . . . . . . 17
⊢ (A = (span ‘{y}) → ((span ‘{(y +h z)}) = A →
(span ‘{(y +h
z)}) = (span ‘{y}))) |
| 34 | | spansneleqi 9516 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ ((y +h z) ∈ ℋ → ((span ‘{(y +h z)}) = (span ‘{y}) → (y
+h z) ∈ (span ‘{y}))) |
| 35 | 12, 34 | syl 10 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → ((span ‘{(y +h z)}) = (span ‘{y}) → (y
+h z) ∈ (span ‘{y}))) |
| 36 | | elspansn 9513 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ (y ∈ ℋ → ((y
+h z) ∈ (span ‘{y}) ↔ ∃v ∈ ℂ (y +h z) = (v
·h y))) |
| 37 | 36 | adantr 391 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → ((y
+h z) ∈ (span ‘{y}) ↔ ∃v ∈ ℂ (y +h z) = (v
·h y))) |
| 38 | | opreq1 3984 |
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
⊢ (w = (v + -1)
→ (w
·h y) =
((v + -1)
·h y)) |
| 39 | 38 | eqeq2d 1493 |
. . . . . . . . . . . . . . . . . . . . . . . . . 26
⊢ (w = (v + -1)
→ (z = (w ·h y) ↔ z =
((v + -1)
·h y))) |
| 40 | 39 | rcla4ev 1884 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ (((v + -1) ∈ ℂ ⋀ z = ((v + -1)
·h y))
→ ∃w ∈ ℂ z =
(w ·h
y)) |
| 41 | | addcl 5321 |
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
⊢ ((v ∈ ℂ ⋀ -1 ∈ ℂ) →
(v + -1) ∈ ℂ) |
| 42 | 18, 41 | mpan2 700 |
. . . . . . . . . . . . . . . . . . . . . . . . . 26
⊢ (v ∈ ℂ → (v +
-1) ∈ ℂ) |
| 43 | 42 | ad2antlr 407 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) ⋀ (y +h z) = (v
·h y))
→ (v + -1) ∈ ℂ) |
| 44 | | hvsubadd 8968 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
⊢ (((v ·h y) ∈ ℋ ⋀ y ∈ ℋ ⋀ z ∈ ℋ ) → (((v ·h y) −h y) = z ↔
(y +h z) = (v
·h y))) |
| 45 | | hvmulcl 8907 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30
⊢ ((v ∈ ℂ ⋀ y ∈ ℋ ) → (v
·h y) ∈ ℋ ) |
| 46 | 45 | ancoms 439 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
⊢ ((y ∈ ℋ ⋀ v ∈ ℂ) → (v
·h y) ∈ ℋ ) |
| 47 | 46 | adantlr 395 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) → (v
·h y) ∈ ℋ ) |
| 48 | | simpll 414 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) → y
∈ ℋ
) |
| 49 | | simplr 415 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) → z
∈ ℋ
) |
| 50 | 44, 47, 48, 49 | syl3anc 862 |
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) → (((v
·h y)
−h y) = z ↔ (y
+h z) = (v ·h y))) |
| 51 | 50 | biimpar 419 |
. . . . . . . . . . . . . . . . . . . . . . . . . 26
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) ⋀ (y +h z) = (v
·h y))
→ ((v
·h y)
−h y) = z) |
| 52 | | hvsubval 8910 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31
⊢ (((v ·h y) ∈ ℋ ⋀ y ∈ ℋ ) → ((v
·h y)
−h y) = ((v ·h y) +h (-1
·h y))) |
| 53 | 45, 52 | sylancom 478 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30
⊢ ((v ∈ ℂ ⋀ y ∈ ℋ ) → ((v
·h y)
−h y) = ((v ·h y) +h (-1
·h y))) |
| 54 | | ax-hvdistr2 8903 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31
⊢ ((v ∈ ℂ ⋀ -1 ∈ ℂ ⋀ y ∈ ℋ ) →
((v + -1)
·h y) =
((v ·h
y) +h (-1
·h y))) |
| 55 | 18, 54 | mp3an2 908 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30
⊢ ((v ∈ ℂ ⋀ y ∈ ℋ ) → ((v
+ -1) ·h y)
= ((v ·h
y) +h (-1
·h y))) |
| 56 | 53, 55 | eqtr4d 1517 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
⊢ ((v ∈ ℂ ⋀ y ∈ ℋ ) → ((v
·h y)
−h y) = ((v + -1) ·h y)) |
| 57 | 56 | ancoms 439 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
⊢ ((y ∈ ℋ ⋀ v ∈ ℂ) → ((v
·h y)
−h y) = ((v + -1) ·h y)) |
| 58 | 57 | adantlr 395 |
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) → ((v
·h y)
−h y) = ((v + -1) ·h y)) |
| 59 | 58 | adantr 391 |
. . . . . . . . . . . . . . . . . . . . . . . . . 26
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) ⋀ (y +h z) = (v
·h y))
→ ((v
·h y)
−h y) = ((v + -1) ·h y)) |
| 60 | 51, 59 | eqtr3d 1516 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) ⋀ (y +h z) = (v
·h y))
→ z = ((v + -1) ·h y)) |
| 61 | 40, 43, 60 | sylanc 474 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) ⋀ (y +h z) = (v
·h y))
→ ∃w ∈ ℂ z =
(w ·h
y)) |
| 62 | 61 | exp31 378 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → (v
∈ ℂ →
((y +h z) = (v
·h y)
→ ∃w ∈ ℂ z =
(w ·h
y)))) |
| 63 | 62 | r19.23adv 1753 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → (∃v ∈ ℂ (y +h z) = (v
·h y)
→ ∃w ∈ ℂ z =
(w ·h
y))) |
| 64 | 37, 63 | sylbid 203 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → ((y
+h z) ∈ (span ‘{y}) → ∃w ∈ ℂ z = (w
·h y))) |
| 65 | 35, 64 | syld 27 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → ((span ‘{(y +h z)}) = (span ‘{y}) → ∃w ∈ ℂ z = (w
·h y))) |
| 66 | | elspansn 9513 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (y ∈ ℋ → (z
∈ (span ‘{y}) ↔ ∃w ∈ ℂ z = (w
·h y))) |
| 67 | 66 | adantr 391 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → (z
∈ (span ‘{y}) ↔ ∃w ∈ ℂ z = (w
·h y))) |
| 68 | 65, 67 | sylibrd 204 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → ((span ‘{(y +h z)}) = (span ‘{y}) → z
∈ (span ‘{y}))) |
| 69 | 68 | adantr 391 |
. . . . . . . . . . . . . . . . . 18
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ z ≠ 0h) → ((span
‘{(y +h z)}) = (span ‘{y}) → z
∈ (span ‘{y}))) |
| 70 | | spansneleq 9517 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((y ∈ ℋ ⋀ z ≠ 0h) → (z ∈ (span
‘{y}) → (span ‘{z}) = (span ‘{y}))) |
| 71 | | eqcom 1484 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((span ‘{z}) = (span ‘{y}) ↔ (span ‘{y}) = (span ‘{z})) |
| 72 | 70, 71 | syl6ib 212 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((y ∈ ℋ ⋀ z ≠ 0h) → (z ∈ (span
‘{y}) → (span ‘{y}) = (span ‘{z}))) |
| 73 | 72 | adantlr 395 |
. . . . . . . . . . . . . . . . . 18
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ z ≠ 0h) → (z ∈ (span
‘{y}) → (span ‘{y}) = (span ‘{z}))) |
| 74 | 69, 73 | syld 27 |
. . . . . . . . . . . . . . . . 17
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ z ≠ 0h) → ((span
‘{(y +h z)}) = (span ‘{y}) → (span ‘{y}) = (span ‘{z}))) |
| 75 | 33, 74 | sylan9r 472 |
. . . . . . . . . . . . . . . 16
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ z ≠ 0h) ⋀ A = (span
‘{y})) → ((span
‘{(y +h z)}) = A →
(span ‘{y}) = (span ‘{z}))) |
| 76 | 75 | necon3d 1611 |
. . . . . . . . . . . . . . 15
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ z ≠ 0h) ⋀ A = (span
‘{y})) → ((span ‘{y}) ≠ (span ‘{z}) → (span ‘{(y +h z)}) ≠ A)) |
| 77 | 76 | adantlrl 400 |
. . . . . . . . . . . . . 14
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ (y ≠ 0h ⋀ z ≠
0h)) ⋀ A = (span ‘{y})) → ((span ‘{y}) ≠ (span ‘{z}) → (span ‘{(y +h z)}) ≠ A)) |
| 78 | 77 | adantrr 397 |
. . . . . . . . . . . . 13
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ (y ≠ 0h ⋀ z ≠
0h)) ⋀ (A = (span ‘{y}) ⋀ B = (span ‘{z}))) → ((span ‘{y}) ≠ (span ‘{z}) → (span ‘{(y +h z)}) ≠ A)) |
| 79 | 78 | imp 350 |
. . . . . . . . . . . 12
⊢ (((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ (y ≠ 0h ⋀ z ≠
0h)) ⋀ (A = (span ‘{y}) ⋀ B = (span ‘{z}))) ⋀ (span
‘{y}) ≠ (span ‘{z})) → (span ‘{(y +h z)}) ≠ A) |
| 80 | | eqeq2 1491 |
. . . . . . . . . . . . . . . . . 18
⊢ (B = (span ‘{z}) → ((span ‘{(y +h z)}) = B ↔
(span ‘{(y +h
z)}) = (span ‘{z}))) |
| 81 | 80 | biimpd 153 |
. . . . . . . . . . . . . . . . 17
⊢ (B = (span ‘{z}) → ((span ‘{(y +h z)}) = B →
(span ‘{(y +h
z)}) = (span ‘{z}))) |
| 82 | | spansneleqi 9516 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ ((y +h z) ∈ ℋ → ((span ‘{(y +h z)}) = (span ‘{z}) → (y
+h z) ∈ (span ‘{z}))) |
| 83 | 12, 82 | syl 10 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → ((span ‘{(y +h z)}) = (span ‘{z}) → (y
+h z) ∈ (span ‘{z}))) |
| 84 | | elspansn 9513 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ (z ∈ ℋ → ((y
+h z) ∈ (span ‘{z}) ↔ ∃v ∈ ℂ (y +h z) = (v
·h z))) |
| 85 | 84 | adantl 390 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → ((y
+h z) ∈ (span ‘{z}) ↔ ∃v ∈ ℂ (y +h z) = (v
·h z))) |
| 86 | | opreq1 3984 |
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
⊢ (w = (v + -1)
→ (w
·h z) =
((v + -1)
·h z)) |
| 87 | 86 | eqeq2d 1493 |
. . . . . . . . . . . . . . . . . . . . . . . . . 26
⊢ (w = (v + -1)
→ (y = (w ·h z) ↔ y =
((v + -1)
·h z))) |
| 88 | 87 | rcla4ev 1884 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ (((v + -1) ∈ ℂ ⋀ y = ((v + -1)
·h z))
→ ∃w ∈ ℂ y =
(w ·h
z)) |
| 89 | 42 | ad2antlr 407 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) ⋀ (y +h z) = (v
·h z))
→ (v + -1) ∈ ℂ) |
| 90 | | hvsubadd 8968 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
⊢ (((v ·h z) ∈ ℋ ⋀ z ∈ ℋ ⋀ y ∈ ℋ ) → (((v ·h z) −h z) = y ↔
(z +h y) = (v
·h z))) |
| 91 | | hvmulcl 8907 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31
⊢ ((v ∈ ℂ ⋀ z ∈ ℋ ) → (v
·h z) ∈ ℋ ) |
| 92 | 91 | ancoms 439 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30
⊢ ((z ∈ ℋ ⋀ v ∈ ℂ) → (v
·h z) ∈ ℋ ) |
| 93 | 92 | adantll 394 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) → (v
·h z) ∈ ℋ ) |
| 94 | 90, 93, 49, 48 | syl3anc 862 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) → (((v
·h z)
−h z) = y ↔ (z
+h y) = (v ·h z))) |
| 95 | | ax-hvcom 8895 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → (y
+h z) = (z +h y)) |
| 96 | 95 | adantr 391 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) → (y
+h z) = (z +h y)) |
| 97 | 96 | eqeq1d 1490 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) → ((y
+h z) = (v ·h z) ↔ (z
+h y) = (v ·h z))) |
| 98 | 94, 97 | bitr4d 534 |
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) → (((v
·h z)
−h z) = y ↔ (y
+h z) = (v ·h z))) |
| 99 | 98 | biimpar 419 |
. . . . . . . . . . . . . . . . . . . . . . . . . 26
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) ⋀ (y +h z) = (v
·h z))
→ ((v
·h z)
−h z) = y) |
| 100 | | hvsubval 8910 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31
⊢ (((v ·h z) ∈ ℋ ⋀ z ∈ ℋ ) → ((v
·h z)
−h z) = ((v ·h z) +h (-1
·h z))) |
| 101 | 91, 100 | sylancom 478 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30
⊢ ((v ∈ ℂ ⋀ z ∈ ℋ ) → ((v
·h z)
−h z) = ((v ·h z) +h (-1
·h z))) |
| 102 | | ax-hvdistr2 8903 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31
⊢ ((v ∈ ℂ ⋀ -1 ∈ ℂ ⋀ z ∈ ℋ ) →
((v + -1)
·h z) =
((v ·h
z) +h (-1
·h z))) |
| 103 | 18, 102 | mp3an2 908 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30
⊢ ((v ∈ ℂ ⋀ z ∈ ℋ ) → ((v
+ -1) ·h z)
= ((v ·h
z) +h (-1
·h z))) |
| 104 | 101, 103 | eqtr4d 1517 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
⊢ ((v ∈ ℂ ⋀ z ∈ ℋ ) → ((v
·h z)
−h z) = ((v + -1) ·h z)) |
| 105 | 104 | ancoms 439 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
⊢ ((z ∈ ℋ ⋀ v ∈ ℂ) → ((v
·h z)
−h z) = ((v + -1) ·h z)) |
| 106 | 105 | adantll 394 |
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) → ((v
·h z)
−h z) = ((v + -1) ·h z)) |
| 107 | 106 | adantr 391 |
. . . . . . . . . . . . . . . . . . . . . . . . . 26
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) ⋀ (y +h z) = (v
·h z))
→ ((v
·h z)
−h z) = ((v + -1) ·h z)) |
| 108 | 99, 107 | eqtr3d 1516 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) ⋀ (y +h z) = (v
·h z))
→ y = ((v + -1) ·h z)) |
| 109 | 88, 89, 108 | sylanc 474 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ v ∈ ℂ) ⋀ (y +h z) = (v
·h z))
→ ∃w ∈ ℂ y =
(w ·h
z)) |
| 110 | 109 | exp31 378 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → (v
∈ ℂ →
((y +h z) = (v
·h z)
→ ∃w ∈ ℂ y =
(w ·h
z)))) |
| 111 | 110 | r19.23adv 1753 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → (∃v ∈ ℂ (y +h z) = (v
·h z)
→ ∃w ∈ ℂ y =
(w ·h
z))) |
| 112 | 85, 111 | sylbid 203 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → ((y
+h z) ∈ (span ‘{z}) → ∃w ∈ ℂ y = (w
·h z))) |
| 113 | 83, 112 | syld 27 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → ((span ‘{(y +h z)}) = (span ‘{z}) → ∃w ∈ ℂ y = (w
·h z))) |
| 114 | | elspansn 9513 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (z ∈ ℋ → (y
∈ (span ‘{z}) ↔ ∃w ∈ ℂ y = (w
·h z))) |
| 115 | 114 | adantl 390 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → (y
∈ (span ‘{z}) ↔ ∃w ∈ ℂ y = (w
·h z))) |
| 116 | 113, 115 | sylibrd 204 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → ((span ‘{(y +h z)}) = (span ‘{z}) → y
∈ (span ‘{z}))) |
| 117 | 116 | adantr 391 |
. . . . . . . . . . . . . . . . . 18
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ y ≠ 0h) → ((span
‘{(y +h z)}) = (span ‘{z}) → y
∈ (span ‘{z}))) |
| 118 | | spansneleq 9517 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((z ∈ ℋ ⋀ y ≠ 0h) → (y ∈ (span
‘{z}) → (span ‘{y}) = (span ‘{z}))) |
| 119 | 118 | adantll 394 |
. . . . . . . . . . . . . . . . . 18
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ y ≠ 0h) → (y ∈ (span
‘{z}) → (span ‘{y}) = (span ‘{z}))) |
| 120 | 117, 119 | syld 27 |
. . . . . . . . . . . . . . . . 17
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ y ≠ 0h) → ((span
‘{(y +h z)}) = (span ‘{z}) → (span ‘{y}) = (span ‘{z}))) |
| 121 | 81, 120 | sylan9r 472 |
. . . . . . . . . . . . . . . 16
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ y ≠ 0h) ⋀ B = (span
‘{z})) → ((span
‘{(y +h z)}) = B →
(span ‘{y}) = (span ‘{z}))) |
| 122 | 121 | necon3d 1611 |
. . . . . . . . . . . . . . 15
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ y ≠ 0h) ⋀ B = (span
‘{z})) → ((span ‘{y}) ≠ (span ‘{z}) → (span ‘{(y +h z)}) ≠ B)) |
| 123 | 122 | adantlrr 401 |
. . . . . . . . . . . . . 14
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ (y ≠ 0h ⋀ z ≠
0h)) ⋀ B = (span ‘{z})) → ((span ‘{y}) ≠ (span ‘{z}) → (span ‘{(y +h z)}) ≠ B)) |
| 124 | 123 | adantrl 396 |
. . . . . . . . . . . . 13
⊢ ((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ (y ≠ 0h ⋀ z ≠
0h)) ⋀ (A = (span ‘{y}) ⋀ B = (span ‘{z}))) → ((span ‘{y}) ≠ (span ‘{z}) → (span ‘{(y +h z)}) ≠ B)) |
| 125 | 124 | imp 350 |
. . . . . . . . . . . 12
⊢ (((((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ (y ≠ 0h ⋀ z ≠
0h)) ⋀ (A = (span ‘{y}) ⋀ B = (span ‘{z}))) ⋀ (span
‘{y}) ≠ (span ‘{z})) → (span ‘{(y +h z)}) ≠ B) |
| 126 | | spanpr 9527 |
. . . . . . . . . . . . . . . 16
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → (span ‘{(y +h z)}) ⊆ (span
‘{y, z})) |
| 127 | 126 | adantr 391 |
. . . . . . . . . . . . . . 15
⊢ (((y ∈ ℋ ⋀ z ∈ ℋ ) ⋀ (A = (span ‘{y}) ⋀ B = (span ‘{z}))) → (span ‘{(y +h z)}) ⊆ (span
‘{y, z})) |
| 128 | | opreq12 3986 |
. . . . . . . . . . . . . . . 16
⊢ ((A = (span ‘{y}) ⋀ B = (span ‘{z})) → (A
∨ℋ B) = ((span ‘{y}) ∨ℋ (span ‘{z}))) |
| 129 | | spanun 9492 |
. . . . . . . . . . . . . . . . . . 19
⊢ (({y} ⊆ ℋ ⋀ {z} ⊆ ℋ ) → (span ‘({y} ∪ {z})) =
((span ‘{y}) +ℋ (span ‘{z}))) |
| 130 | | snssi 2480 |
. . . . . . . . . . . . . . . . . . 19
⊢ (y ∈ ℋ → {y}
⊆ ℋ
) |
| 131 | | snssi 2480 |
. . . . . . . . . . . . . . . . . . 19
⊢ (z ∈ ℋ → {z}
⊆ ℋ
) |
| 132 | 129, 130, 131 | syl2an 457 |
. . . . . . . . . . . . . . . . . 18
⊢ ((y ∈ ℋ ⋀ z ∈ ℋ ) → (span ‘({y} ∪ {z})) =
((span ‘{y}) +ℋ (span ‘{z}))) |
| 133 | | |