Proof of Theorem om2uzlt
| Step | Hyp | Ref
| Expression |
| 1 | | eleq2 1150 |
. . . . . 6
⊢ (v =
∅ → (A ∈ v ↔ A
∈ ∅)) |
| 2 | | fveq2 2832 |
. . . . . . 7
⊢ (v =
∅ → (G ‘v) = (G
‘∅)) |
| 3 | 2 | breq2d 2072 |
. . . . . 6
⊢ (v =
∅ → ((G ‘A) < (G
‘v) ↔ (G ‘A) <
(G ‘∅))) |
| 4 | 1, 3 | imbi12d 474 |
. . . . 5
⊢ (v =
∅ → ((A ∈ v → (G
‘A) < (G ‘v))
↔ (A ∈ ∅ → (G ‘A) <
(G ‘∅)))) |
| 5 | 4 | imbi2d 464 |
. . . 4
⊢ (v =
∅ → ((A ∈ ω →
(A ∈ v → (G
‘A) < (G ‘v)))
↔ (A ∈ ω → (A ∈ ∅ → (G ‘A) <
(G ‘∅))))) |
| 6 | | eleq2 1150 |
. . . . . 6
⊢ (v =
w → (A ∈ v
↔ A ∈ w)) |
| 7 | | fveq2 2832 |
. . . . . . 7
⊢ (v =
w → (G ‘v) =
(G ‘w)) |
| 8 | 7 | breq2d 2072 |
. . . . . 6
⊢ (v =
w → ((G ‘A) <
(G ‘v) ↔ (G
‘A) < (G ‘w))) |
| 9 | 6, 8 | imbi12d 474 |
. . . . 5
⊢ (v =
w → ((A ∈ v
→ (G ‘A) < (G
‘v)) ↔ (A ∈ w
→ (G ‘A) < (G
‘w)))) |
| 10 | 9 | imbi2d 464 |
. . . 4
⊢ (v =
w → ((A ∈ ω → (A ∈ v
→ (G ‘A) < (G
‘v))) ↔ (A ∈ ω → (A ∈ w
→ (G ‘A) < (G
‘w))))) |
| 11 | | eleq2 1150 |
. . . . . 6
⊢ (v =
suc w → (A ∈ v
↔ A ∈ suc w)) |
| 12 | | fveq2 2832 |
. . . . . . 7
⊢ (v =
suc w → (G ‘v) =
(G ‘suc w)) |
| 13 | 12 | breq2d 2072 |
. . . . . 6
⊢ (v =
suc w → ((G ‘A) <
(G ‘v) ↔ (G
‘A) < (G ‘suc w))) |
| 14 | 11, 13 | imbi12d 474 |
. . . . 5
⊢ (v =
suc w → ((A ∈ v
→ (G ‘A) < (G
‘v)) ↔ (A ∈ suc w
→ (G ‘A) < (G
‘suc w)))) |
| 15 | 14 | imbi2d 464 |
. . . 4
⊢ (v =
suc w → ((A ∈ ω → (A ∈ v
→ (G ‘A) < (G
‘v))) ↔ (A ∈ ω → (A ∈ suc w
→ (G ‘A) < (G
‘suc w))))) |
| 16 | | eleq2 1150 |
. . . . . 6
⊢ (v =
B → (A ∈ v
↔ A ∈ B)) |
| 17 | | fveq2 2832 |
. . . . . . 7
⊢ (v =
B → (G ‘v) =
(G ‘B)) |
| 18 | 17 | breq2d 2072 |
. . . . . 6
⊢ (v =
B → ((G ‘A) <
(G ‘v) ↔ (G
‘A) < (G ‘B))) |
| 19 | 16, 18 | imbi12d 474 |
. . . . 5
⊢ (v =
B → ((A ∈ v
→ (G ‘A) < (G
‘v)) ↔ (A ∈ B
→ (G ‘A) < (G
‘B)))) |
| 20 | 19 | imbi2d 464 |
. . . 4
⊢ (v =
B → ((A ∈ ω → (A ∈ v
→ (G ‘A) < (G
‘v))) ↔ (A ∈ ω → (A ∈ B
→ (G ‘A) < (G
‘B))))) |
| 21 | | noel 1711 |
. . . . . 6
⊢ ¬ A ∈ ∅ |
| 22 | 21 | pm2.21i 73 |
. . . . 5
⊢ (A
∈ ∅ → (G ‘A) < (G
‘∅)) |
| 23 | 22 | a1i 7 |
. . . 4
⊢ (A
∈ ω → (A ∈ ∅
→ (G ‘A) < (G
‘∅))) |
| 24 | | elsuc2g 2291 |
. . . . . . . . . . 11
⊢ (w
∈ ω → (A ∈ suc
w ↔ (A ∈ w ∨
A = w))) |
| 25 | 24 | bicomd 399 |
. . . . . . . . . 10
⊢ (w
∈ ω → ((A ∈ w ∨ A =
w) ↔ A ∈ suc w)) |
| 26 | 25 | adantl 305 |
. . . . . . . . 9
⊢ ((A
∈ ω ∧ w ∈ ω)
→ ((A ∈ w ∨ A =
w) ↔ A ∈ suc w)) |
| 27 | | leloet 4284 |
. . . . . . . . . . 11
⊢ (((G
‘A) ∈ ℝ ∧ (G ‘w)
∈ ℝ) → ((G ‘A) ≤ (G
‘w) ↔ ((G ‘A) <
(G ‘w) ∨ (G
‘A) = (G ‘w)))) |
| 28 | | om2uz.1 |
. . . . . . . . . . . . 13
⊢ C
∈ ℤ |
| 29 | | om2uz.2 |
. . . . . . . . . . . . 13
⊢ G =
(rec({〈x, y〉∣y
= (x + 1)}, C) ↾ ω) |
| 30 | 28, 29 | om2uzuz 4653 |
. . . . . . . . . . . 12
⊢ (A
∈ ω → (G ‘A) ∈ {z
∈ ℤ∣C ≤ z}) |
| 31 | | ssrab 1556 |
. . . . . . . . . . . . 13
⊢ {z
∈ ℤ∣C ≤ z} ⊆ ℤ |
| 32 | 31 | sseli 1504 |
. . . . . . . . . . . 12
⊢ ((G
‘A) ∈ {z ∈ ℤ∣C ≤ z} →
(G ‘A) ∈ ℤ) |
| 33 | | zret 4567 |
. . . . . . . . . . . 12
⊢ ((G
‘A) ∈ ℤ → (G ‘A)
∈ ℝ) |
| 34 | 30, 32, 33 | 3syl 21 |
. . . . . . . . . . 11
⊢ (A
∈ ω → (G ‘A) ∈ ℝ) |
| 35 | 28, 29 | om2uzuz 4653 |
. . . . . . . . . . . 12
⊢ (w
∈ ω → (G ‘w) ∈ {z
∈ ℤ∣C ≤ z}) |
| 36 | 31 | sseli 1504 |
. . . . . . . . . . . 12
⊢ ((G
‘w) ∈ {z ∈ ℤ∣C ≤ z} →
(G ‘w) ∈ ℤ) |
| 37 | | zret 4567 |
. . . . . . . . . . . 12
⊢ ((G
‘w) ∈ ℤ → (G ‘w)
∈ ℝ) |
| 38 | 35, 36, 37 | 3syl 21 |
. . . . . . . . . . 11
⊢ (w
∈ ω → (G ‘w) ∈ ℝ) |
| 39 | 27, 34, 38 | syl2an 349 |
. . . . . . . . . 10
⊢ ((A
∈ ω ∧ w ∈ ω)
→ ((G ‘A) ≤ (G
‘w) ↔ ((G ‘A) <
(G ‘w) ∨ (G
‘A) = (G ‘w)))) |
| 40 | | zleltp1t 4598 |
. . . . . . . . . . . . 13
⊢ (((G
‘A) ∈ ℤ ∧ (G ‘w)
∈ ℤ) → ((G ‘A) ≤ (G
‘w) ↔ (G ‘A) <
((G ‘w) + 1))) |
| 41 | 40, 32, 36 | syl2an 349 |
. . . . . . . . . . . 12
⊢ (((G
‘A) ∈ {z ∈ ℤ∣C ≤ z} ∧
(G ‘w) ∈ {z
∈ ℤ∣C ≤ z}) → ((G
‘A) ≤ (G ‘w)
↔ (G ‘A) < ((G
‘w) + 1))) |
| 42 | 41, 30, 35 | syl2an 349 |
. . . . . . . . . . 11
⊢ ((A
∈ ω ∧ w ∈ ω)
→ ((G ‘A) ≤ (G
‘w) ↔ (G ‘A) <
((G ‘w) + 1))) |
| 43 | 28, 29 | om2uzsuc 4652 |
. . . . . . . . . . . . 13
⊢ (w
∈ ω → (G ‘suc
w) = ((G ‘w) +
1)) |
| 44 | 43 | breq2d 2072 |
. . . . . . . . . . . 12
⊢ (w
∈ ω → ((G ‘A) < (G
‘suc w) ↔ (G ‘A) <
((G ‘w) + 1))) |
| 45 | 44 | adantl 305 |
. . . . . . . . . . 11
⊢ ((A
∈ ω ∧ w ∈ ω)
→ ((G ‘A) < (G
‘suc w) ↔ (G ‘A) <
((G ‘w) + 1))) |
| 46 | 42, 45 | bitr4d 409 |
. . . . . . . . . 10
⊢ ((A
∈ ω ∧ w ∈ ω)
→ ((G ‘A) ≤ (G
‘w) ↔ (G ‘A) <
(G ‘suc w))) |
| 47 | 39, 46 | bitr3d 408 |
. . . . . . . . 9
⊢ ((A
∈ ω ∧ w ∈ ω)
→ (((G ‘A) < (G
‘w) ∨ (G ‘A) =
(G ‘w)) ↔ (G
‘A) < (G ‘suc w))) |
| 48 | 26, 47 | imbi12d 474 |
. . . . . . . 8
⊢ ((A
∈ ω ∧ w ∈ ω)
→ (((A ∈ w ∨ A =
w) → ((G ‘A) <
(G ‘w) ∨ (G
‘A) = (G ‘w)))
↔ (A ∈ suc w → (G
‘A) < (G ‘suc w)))) |
| 49 | | id 9 |
. . . . . . . . 9
⊢ ((A
∈ w → (G ‘A) <
(G ‘w)) → (A
∈ w → (G ‘A) <
(G ‘w))) |
| 50 | | fveq2 2832 |
. . . . . . . . . 10
⊢ (A =
w → (G ‘A) =
(G ‘w)) |
| 51 | 50 | a1i 7 |
. . . . . . . . 9
⊢ ((A
∈ w → (G ‘A) <
(G ‘w)) → (A =
w → (G ‘A) =
(G ‘w))) |
| 52 | 49, 51 | orim12d 436 |
. . . . . . . 8
⊢ ((A
∈ w → (G ‘A) <
(G ‘w)) → ((A
∈ w ∨ A = w) →
((G ‘A) < (G
‘w) ∨ (G ‘A) =
(G ‘w)))) |
| 53 | 48, 52 | syl5bi 183 |
. . . . . . 7
⊢ ((A
∈ ω ∧ w ∈ ω)
→ ((A ∈ w → (G
‘A) < (G ‘w))
→ (A ∈ suc w → (G
‘A) < (G ‘suc w)))) |
| 54 | 53 | exp 291 |
. . . . . 6
⊢ (A
∈ ω → (w ∈ ω
→ ((A ∈ w → (G
‘A) < (G ‘w))
→ (A ∈ suc w → (G
‘A) < (G ‘suc w))))) |
| 55 | 54 | com12 13 |
. . . . 5
⊢ (w
∈ ω → (A ∈ ω
→ ((A ∈ w → (G
‘A) < (G ‘w))
→ (A ∈ suc w → (G
‘A) < (G ‘suc w))))) |
| 56 | 55 | a2d 15 |
. . . 4
⊢ (w
∈ ω → ((A ∈ ω
→ (A ∈ w → (G
‘A) < (G ‘w)))
→ (A ∈ ω → (A ∈ suc w
→ (G ‘A) < (G
‘suc w))))) |
| 57 | 5, 10, 15, 20, 23, 56 | finds 2397 |
. . 3
⊢ (B
∈ ω → (A ∈ ω
→ (A ∈ B → (G
‘A) < (G ‘B)))) |
| 58 | 57 | com12 13 |
. 2
⊢ (A
∈ ω → (B ∈ ω
→ (A ∈ B → (G
‘A) < (G ‘B)))) |
| 59 | 58 | imp 277 |
1
⊢ ((A
∈ ω ∧ B ∈ ω)
→ (A ∈ B → (G
‘A) < (G ‘B))) |