Proof of Theorem h1datom
| Step | Hyp | Ref
| Expression |
| 1 | | ssel 1502 |
. . . . . . . . 9
⊢ (A
⊆ (⊥ ‘(⊥ ‘{B})) → (x
∈ A → x ∈ (⊥ ‘(⊥ ‘{B})))) |
| 2 | | cleq1 1107 |
. . . . . . . . . . . . . . . . . 18
⊢ (x =
(y ·s
B) → (x = 0v ↔ (y ·s B) = 0v)) |
| 3 | | opreq1 3006 |
. . . . . . . . . . . . . . . . . . 19
⊢ (y = 0
→ (y
·s B) = (0
·s B)) |
| 4 | | h1datom.2 |
. . . . . . . . . . . . . . . . . . . 20
⊢ B
∈ ℋ |
| 5 | | ax-hvmulzer 4995 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (B
∈ ℋ → (0 ·s B) = 0v) |
| 6 | 4, 5 | ax-mp 6 |
. . . . . . . . . . . . . . . . . . 19
⊢ (0 ·s
B) = 0v |
| 7 | 3, 6 | syl6eq 1140 |
. . . . . . . . . . . . . . . . . 18
⊢ (y = 0
→ (y
·s B) =
0v) |
| 8 | 2, 7 | syl5bir 184 |
. . . . . . . . . . . . . . . . 17
⊢ (x =
(y ·s
B) → (y = 0 → x =
0v)) |
| 9 | 8 | con3d 87 |
. . . . . . . . . . . . . . . 16
⊢ (x =
(y ·s
B) → (¬ x = 0v → ¬ y = 0)) |
| 10 | | df-ne 1192 |
. . . . . . . . . . . . . . . 16
⊢ (y
≠ 0 ↔ ¬ y = 0) |
| 11 | 9, 10 | syl6ibr 186 |
. . . . . . . . . . . . . . 15
⊢ (x =
(y ·s
B) → (¬ x = 0v → y ≠ 0)) |
| 12 | 11 | adantl 305 |
. . . . . . . . . . . . . 14
⊢ ((y
∈ ℂ ∧ x = (y ·s B)) → (¬ x = 0v → y ≠ 0)) |
| 13 | | 1cn 4101 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ 1 ∈ ℂ |
| 14 | | divclt 4223 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (((1 ∈ ℂ ∧ y ∈ ℂ) ∧ y ≠ 0) → (1 / y) ∈ ℂ) |
| 15 | 13, 14 | mpan11 529 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((y
∈ ℂ ∧ y ≠ 0) → (1 /
y) ∈ ℂ) |
| 16 | | h1datom.1 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ A
∈ Cℋ |
| 17 | 16 | chshi 5132 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ A
∈ Sℋ |
| 18 | | shmulclt 5124 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ (A
∈ Sℋ → (((1 / y) ∈ ℂ ∧ x ∈ A)
→ ((1 / y)
·s x)
∈ A)) |
| 19 | 17, 18 | ax-mp 6 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (((1 / y) ∈ ℂ ∧ x ∈ A)
→ ((1 / y)
·s x)
∈ A) |
| 20 | 19 | exp 291 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((1 / y) ∈ ℂ → (x ∈ A
→ ((1 / y)
·s x)
∈ A)) |
| 21 | 15, 20 | syl 12 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((y
∈ ℂ ∧ y ≠ 0) →
(x ∈ A → ((1 / y) ·s x) ∈ A)) |
| 22 | 21 | adantr 306 |
. . . . . . . . . . . . . . . . . 18
⊢ (((y
∈ ℂ ∧ y ≠ 0) ∧
x = (y
·s B))
→ (x ∈ A → ((1 / y) ·s x) ∈ A)) |
| 23 | | opreq2 3007 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (x =
(y ·s
B) → ((1 / y) ·s x) = ((1 / y)
·s (y
·s B))) |
| 24 | | ax-hvmulass 4992 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ (((1 / y) ∈ ℂ ∧ y ∈ ℂ ∧ B ∈ ℋ ) → (((1 / y) · y)
·s B) = ((1
/ y) ·s
(y ·s
B))) |
| 25 | 4, 24 | mp3an3 641 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ (((1 / y) ∈ ℂ ∧ y ∈ ℂ) → (((1 / y) · y)
·s B) = ((1
/ y) ·s
(y ·s
B))) |
| 26 | | pm3.26 256 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ ((y
∈ ℂ ∧ y ≠ 0) →
y ∈ ℂ) |
| 27 | 25, 15, 26 | sylanc 361 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ ((y
∈ ℂ ∧ y ≠ 0) → (((1
/ y) · y) ·s B) = ((1 / y)
·s (y
·s B))) |
| 28 | | axmulcom 4071 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ ((y
∈ ℂ ∧ (1 / y) ∈
ℂ) → (y · (1 / y)) = ((1 / y)
· y)) |
| 29 | 28, 26, 15 | sylanc 361 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ ((y
∈ ℂ ∧ y ≠ 0) →
(y · (1 / y)) = ((1 / y)
· y)) |
| 30 | | recidt 4235 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ ((y
∈ ℂ ∧ y ≠ 0) →
(y · (1 / y)) = 1) |
| 31 | 29, 30 | eqtr3d 1130 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ ((y
∈ ℂ ∧ y ≠ 0) → ((1 /
y) · y) = 1) |
| 32 | 31 | opreq1d 3012 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ ((y
∈ ℂ ∧ y ≠ 0) → (((1
/ y) · y) ·s B) = (1 ·s B)) |
| 33 | 27, 32 | eqtr3d 1130 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ((y
∈ ℂ ∧ y ≠ 0) → ((1 /
y) ·s
(y ·s
B)) = (1 ·s
B)) |
| 34 | | ax-hvmulid 4991 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ (B
∈ ℋ → (1 ·s B) = B) |
| 35 | 4, 34 | ax-mp 6 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (1 ·s
B) = B |
| 36 | 33, 35 | syl6eq 1140 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((y
∈ ℂ ∧ y ≠ 0) → ((1 /
y) ·s
(y ·s
B)) = B) |
| 37 | 23, 36 | sylan9eqr 1145 |
. . . . . . . . . . . . . . . . . . 19
⊢ (((y
∈ ℂ ∧ y ≠ 0) ∧
x = (y
·s B))
→ ((1 / y)
·s x) =
B) |
| 38 | 37 | eleq1d 1155 |
. . . . . . . . . . . . . . . . . 18
⊢ (((y
∈ ℂ ∧ y ≠ 0) ∧
x = (y
·s B))
→ (((1 / y)
·s x)
∈ A ↔ B ∈ A)) |
| 39 | 22, 38 | sylibd 177 |
. . . . . . . . . . . . . . . . 17
⊢ (((y
∈ ℂ ∧ y ≠ 0) ∧
x = (y
·s B))
→ (x ∈ A → B
∈ A)) |
| 40 | 39 | exp31 293 |
. . . . . . . . . . . . . . . 16
⊢ (y
∈ ℂ → (y ≠ 0 →
(x = (y
·s B)
→ (x ∈ A → B
∈ A)))) |
| 41 | 40 | com23 32 |
. . . . . . . . . . . . . . 15
⊢ (y
∈ ℂ → (x = (y ·s B) → (y
≠ 0 → (x ∈ A → B
∈ A)))) |
| 42 | 41 | imp 277 |
. . . . . . . . . . . . . 14
⊢ ((y
∈ ℂ ∧ x = (y ·s B)) → (y
≠ 0 → (x ∈ A → B
∈ A))) |
| 43 | 12, 42 | syld 27 |
. . . . . . . . . . . . 13
⊢ ((y
∈ ℂ ∧ x = (y ·s B)) → (¬ x = 0v → (x ∈ A
→ B ∈ A))) |
| 44 | 43 | com3r 35 |
. . . . . . . . . . . 12
⊢ (x
∈ A → ((y ∈ ℂ ∧ x = (y
·s B))
→ (¬ x = 0v
→ B ∈ A))) |
| 45 | 44 | exp3a 292 |
. . . . . . . . . . 11
⊢ (x
∈ A → (y ∈ ℂ → (x = (y
·s B)
→ (¬ x = 0v
→ B ∈ A)))) |
| 46 | 45 | r19.23adv 1286 |
. . . . . . . . . 10
⊢ (x
∈ A → (∃y ∈ ℂ x = (y
·s B)
→ (¬ x = 0v
→ B ∈ A))) |
| 47 | 4 | h1de2ct 5461 |
. . . . . . . . . 10
⊢ (x
∈ (⊥ ‘(⊥ ‘{B})) ↔ ∃y ∈ ℂ x = (y
·s B)) |
| 48 | 46, 47 | syl5ib 181 |
. . . . . . . . 9
⊢ (x
∈ A → (x ∈ (⊥ ‘(⊥ ‘{B})) → (¬ x = 0v → B ∈ A))) |
| 49 | 1, 48 | sylcom 51 |
. . . . . . . 8
⊢ (A
⊆ (⊥ ‘(⊥ ‘{B})) → (x
∈ A → (¬ x = 0v → B ∈ A))) |
| 50 | 49 | r19.23adv 1286 |
. . . . . . 7
⊢ (A
⊆ (⊥ ‘(⊥ ‘{B})) → (∃x ∈ A ¬
x = 0v → B ∈ A)) |
| 51 | 16 | chne0 5375 |
. . . . . . 7
⊢ (¬ A = 0ℋ ↔ ∃x ∈ A ¬
x = 0v) |
| 52 | 50, 51 | syl5ib 181 |
. . . . . 6
⊢ (A
⊆ (⊥ ‘(⊥ ‘{B})) → (¬ A = 0ℋ → B ∈ A)) |
| 53 | | snssi 1851 |
. . . . . . . 8
⊢ (B
∈ A → {B} ⊆ A) |
| 54 | | snssi 1851 |
. . . . . . . . . 10
⊢ (B
∈ ℋ → {B} ⊆ ℋ
) |
| 55 | 4, 54 | ax-mp 6 |
. . . . . . . . 9
⊢ {B}
⊆ ℋ |
| 56 | 16 | chssi 5136 |
. . . . . . . . 9
⊢ A
⊆ ℋ |
| 57 | 55, 56 | occon2 5170 |
. . . . . . . 8
⊢ ({B}
⊆ A → (⊥ ‘(⊥
‘{B})) ⊆ (⊥
‘(⊥ ‘A))) |
| 58 | 53, 57 | syl 12 |
. . . . . . 7
⊢ (B
∈ A → (⊥ ‘(⊥
‘{B})) ⊆ (⊥
‘(⊥ ‘A))) |
| 59 | 16 | ococ 5252 |
. . . . . . 7
⊢ (⊥ ‘(⊥ ‘A)) = A |
| 60 | 58, 59 | syl6ss 1546 |
. . . . . 6
⊢ (B
∈ A → (⊥ ‘(⊥
‘{B})) ⊆ A) |
| 61 | 52, 60 | syl6 23 |
. . . . 5
⊢ (A
⊆ (⊥ ‘(⊥ ‘{B})) → (¬ A = 0ℋ → (⊥
‘(⊥ ‘{B})) ⊆
A)) |
| 62 | 61 | anc2li 250 |
. . . 4
⊢ (A
⊆ (⊥ ‘(⊥ ‘{B})) → (¬ A = 0ℋ → (A ⊆ (⊥ ‘(⊥ ‘{B})) ∧ (⊥ ‘(⊥ ‘{B})) ⊆ A))) |
| 63 | | eqss 1516 |
. . . 4
⊢ (A =
(⊥ ‘(⊥ ‘{B}))
↔ (A ⊆ (⊥ ‘(⊥
‘{B})) ∧ (⊥ ‘(⊥
‘{B})) ⊆ A)) |
| 64 | 62, 63 | syl6ibr 186 |
. . 3
⊢ (A
⊆ (⊥ ‘(⊥ ‘{B})) → (¬ A = 0ℋ → A = (⊥ ‘(⊥ ‘{B})))) |
| 65 | 64 | con1d 85 |
. 2
⊢ (A
⊆ (⊥ ‘(⊥ ‘{B})) → (¬ A = (⊥ ‘(⊥ ‘{B})) → A =
0ℋ)) |
| 66 | 65 | orrd 203 |
1
⊢ (A
⊆ (⊥ ‘(⊥ ‘{B})) → (A =
(⊥ ‘(⊥ ‘{B})) ∨
A = 0ℋ)) |