Proof of Theorem omsmo
| Step | Hyp | Ref
| Expression |
| 1 | | pm3.27 260 |
. . . 4
⊢ ((A
⊆ On ∧ F:ω–→A) → F:ω–→A) |
| 2 | 1 | adantr 306 |
. . 3
⊢ (((A
⊆ On ∧ F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x)) → F:ω–→A) |
| 3 | | omsmolem 3195 |
. . . . . . . . . . . 12
⊢ (z
∈ ω → (((A ⊆ On ∧
F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x)) → (y
∈ z → (F ‘y)
∈ (F ‘z)))) |
| 4 | 3 | adantl 305 |
. . . . . . . . . . 11
⊢ ((y
∈ ω ∧ z ∈ ω)
→ (((A ⊆ On ∧ F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x)) → (y
∈ z → (F ‘y)
∈ (F ‘z)))) |
| 5 | 4 | imp 277 |
. . . . . . . . . 10
⊢ (((y
∈ ω ∧ z ∈ ω)
∧ ((A ⊆ On ∧ F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x))) → (y
∈ z → (F ‘y)
∈ (F ‘z))) |
| 6 | | omsmolem 3195 |
. . . . . . . . . . . 12
⊢ (y
∈ ω → (((A ⊆ On ∧
F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x)) → (z
∈ y → (F ‘z)
∈ (F ‘y)))) |
| 7 | 6 | adantr 306 |
. . . . . . . . . . 11
⊢ ((y
∈ ω ∧ z ∈ ω)
→ (((A ⊆ On ∧ F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x)) → (z
∈ y → (F ‘z)
∈ (F ‘y)))) |
| 8 | 7 | imp 277 |
. . . . . . . . . 10
⊢ (((y
∈ ω ∧ z ∈ ω)
∧ ((A ⊆ On ∧ F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x))) → (z
∈ y → (F ‘z)
∈ (F ‘y))) |
| 9 | 5, 8 | orim12d 436 |
. . . . . . . . 9
⊢ (((y
∈ ω ∧ z ∈ ω)
∧ ((A ⊆ On ∧ F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x))) → ((y
∈ z ∨ z ∈ y)
→ ((F ‘y) ∈ (F
‘z) ∨ (F ‘z)
∈ (F ‘y)))) |
| 10 | 9 | ancoms 334 |
. . . . . . . 8
⊢ ((((A
⊆ On ∧ F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x)) ∧ (y
∈ ω ∧ z ∈ ω))
→ ((y ∈ z ∨ z ∈
y) → ((F ‘y)
∈ (F ‘z) ∨ (F
‘z) ∈ (F ‘y)))) |
| 11 | 10 | con3d 87 |
. . . . . . 7
⊢ ((((A
⊆ On ∧ F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x)) ∧ (y
∈ ω ∧ z ∈ ω))
→ (¬ ((F ‘y) ∈ (F
‘z) ∨ (F ‘z)
∈ (F ‘y)) → ¬ (y ∈ z ∨
z ∈ y))) |
| 12 | | ssel 1502 |
. . . . . . . . . . . . . . 15
⊢ (A
⊆ On → ((F ‘y) ∈ A
→ (F ‘y) ∈ On)) |
| 13 | | ffvrn 2890 |
. . . . . . . . . . . . . . 15
⊢ ((F:ω–→A ∧ y ∈
ω) → (F ‘y) ∈ A) |
| 14 | 12, 13 | syl5 22 |
. . . . . . . . . . . . . 14
⊢ (A
⊆ On → ((F:ω–→A ∧ y ∈
ω) → (F ‘y) ∈ On)) |
| 15 | 14 | exp3a 292 |
. . . . . . . . . . . . 13
⊢ (A
⊆ On → (F:ω–→A → (y
∈ ω → (F ‘y) ∈ On))) |
| 16 | 15 | imp 277 |
. . . . . . . . . . . 12
⊢ ((A
⊆ On ∧ F:ω–→A) → (y
∈ ω → (F ‘y) ∈ On)) |
| 17 | | eloni 2209 |
. . . . . . . . . . . 12
⊢ ((F
‘y) ∈ On → Ord (F ‘y)) |
| 18 | 16, 17 | syl6 23 |
. . . . . . . . . . 11
⊢ ((A
⊆ On ∧ F:ω–→A) → (y
∈ ω → Ord (F
‘y))) |
| 19 | | ssel 1502 |
. . . . . . . . . . . . . . 15
⊢ (A
⊆ On → ((F ‘z) ∈ A
→ (F ‘z) ∈ On)) |
| 20 | | ffvrn 2890 |
. . . . . . . . . . . . . . 15
⊢ ((F:ω–→A ∧ z ∈
ω) → (F ‘z) ∈ A) |
| 21 | 19, 20 | syl5 22 |
. . . . . . . . . . . . . 14
⊢ (A
⊆ On → ((F:ω–→A ∧ z ∈
ω) → (F ‘z) ∈ On)) |
| 22 | 21 | exp3a 292 |
. . . . . . . . . . . . 13
⊢ (A
⊆ On → (F:ω–→A → (z
∈ ω → (F ‘z) ∈ On))) |
| 23 | 22 | imp 277 |
. . . . . . . . . . . 12
⊢ ((A
⊆ On ∧ F:ω–→A) → (z
∈ ω → (F ‘z) ∈ On)) |
| 24 | | eloni 2209 |
. . . . . . . . . . . 12
⊢ ((F
‘z) ∈ On → Ord (F ‘z)) |
| 25 | 23, 24 | syl6 23 |
. . . . . . . . . . 11
⊢ ((A
⊆ On ∧ F:ω–→A) → (z
∈ ω → Ord (F
‘z))) |
| 26 | 18, 25 | anim12d 431 |
. . . . . . . . . 10
⊢ ((A
⊆ On ∧ F:ω–→A) → ((y
∈ ω ∧ z ∈ ω)
→ (Ord (F ‘y) ∧ Ord (F
‘z)))) |
| 27 | 26 | imp 277 |
. . . . . . . . 9
⊢ (((A
⊆ On ∧ F:ω–→A) ∧ (y
∈ ω ∧ z ∈ ω))
→ (Ord (F ‘y) ∧ Ord (F
‘z))) |
| 28 | | ordtri3 2234 |
. . . . . . . . 9
⊢ ((Ord (F ‘y)
∧ Ord (F ‘z)) → ((F
‘y) = (F ‘z)
↔ ¬ ((F ‘y) ∈ (F
‘z) ∨ (F ‘z)
∈ (F ‘y)))) |
| 29 | 27, 28 | syl 12 |
. . . . . . . 8
⊢ (((A
⊆ On ∧ F:ω–→A) ∧ (y
∈ ω ∧ z ∈ ω))
→ ((F ‘y) = (F
‘z) ↔ ¬ ((F ‘y)
∈ (F ‘z) ∨ (F
‘z) ∈ (F ‘y)))) |
| 30 | 29 | adantlr 310 |
. . . . . . 7
⊢ ((((A
⊆ On ∧ F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x)) ∧ (y
∈ ω ∧ z ∈ ω))
→ ((F ‘y) = (F
‘z) ↔ ¬ ((F ‘y)
∈ (F ‘z) ∨ (F
‘z) ∈ (F ‘y)))) |
| 31 | | ordtri3 2234 |
. . . . . . . . 9
⊢ ((Ord y ∧ Ord z)
→ (y = z ↔ ¬ (y ∈ z ∨
z ∈ y))) |
| 32 | | nnord 2381 |
. . . . . . . . 9
⊢ (y
∈ ω → Ord y) |
| 33 | | nnord 2381 |
. . . . . . . . 9
⊢ (z
∈ ω → Ord z) |
| 34 | 31, 32, 33 | syl2an 349 |
. . . . . . . 8
⊢ ((y
∈ ω ∧ z ∈ ω)
→ (y = z ↔ ¬ (y ∈ z ∨
z ∈ y))) |
| 35 | 34 | adantl 305 |
. . . . . . 7
⊢ ((((A
⊆ On ∧ F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x)) ∧ (y
∈ ω ∧ z ∈ ω))
→ (y = z ↔ ¬ (y ∈ z ∨
z ∈ y))) |
| 36 | 11, 30, 35 | 3imtr4d 421 |
. . . . . 6
⊢ ((((A
⊆ On ∧ F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x)) ∧ (y
∈ ω ∧ z ∈ ω))
→ ((F ‘y) = (F
‘z) → y = z)) |
| 37 | 36 | exp32 294 |
. . . . 5
⊢ (((A
⊆ On ∧ F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x)) → (y
∈ ω → (z ∈ ω
→ ((F ‘y) = (F
‘z) → y = z)))) |
| 38 | 37 | r19.21adv 1262 |
. . . 4
⊢ (((A
⊆ On ∧ F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x)) → (y
∈ ω → ∀z ∈
ω ((F ‘y) = (F
‘z) → y = z))) |
| 39 | 38 | r19.21aiv 1259 |
. . 3
⊢ (((A
⊆ On ∧ F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x)) → ∀y ∈ ω ∀z ∈ ω ((F ‘y) =
(F ‘z) → y =
z)) |
| 40 | 2, 39 | jca 236 |
. 2
⊢ (((A
⊆ On ∧ F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x)) → (F:ω–→A ∧ ∀y ∈ ω ∀z ∈ ω ((F ‘y) =
(F ‘z) → y =
z))) |
| 41 | | f1fv 2916 |
. 2
⊢ (F:ω–1-1→A ↔
(F:ω–→A ∧ ∀y ∈ ω ∀z ∈ ω ((F ‘y) =
(F ‘z) → y =
z))) |
| 42 | 40, 41 | sylibr 175 |
1
⊢ (((A
⊆ On ∧ F:ω–→A) ∧ ∀x ∈ ω (F ‘x)
∈ (F ‘suc x)) → F:ω–1-1→A) |