Proof of Theorem prlem934
| Step | Hyp | Ref
| Expression |
| 1 | | prpssnq 3888 |
. . . . . . 7
⊢ (A
∈ P → A ⊂
Q) |
| 2 | | dfpss3 1558 |
. . . . . . 7
⊢ (A
⊂ Q ↔ (A ⊆
Q ∧ ¬ Q ⊆ A)) |
| 3 | 1, 2 | sylib 173 |
. . . . . 6
⊢ (A
∈ P → (A ⊆
Q ∧ ¬ Q ⊆ A)) |
| 4 | 3 | pm3.27d 262 |
. . . . 5
⊢ (A
∈ P → ¬ Q ⊆ A) |
| 5 | 4 | adantl 305 |
. . . 4
⊢ ((B
∈ Q ∧ A ∈
P) → ¬ Q ⊆ A) |
| 6 | | df-nq 3832 |
. . . . . . . . . 10
⊢ Q = ((N
× N) / ~Q ) |
| 7 | | eleq1 1149 |
. . . . . . . . . . . 12
⊢ ([〈v, u〉]
~Q = y →
([〈v, u〉] ~Q ∈ A ↔ y
∈ A)) |
| 8 | 7 | imbi2d 464 |
. . . . . . . . . . 11
⊢ ([〈v, u〉]
~Q = y →
((∀x(x ∈ A
→ (x +Q
[〈z, w〉] ~Q ) ∈
A) → [〈v, u〉]
~Q ∈ A)
↔ (∀x(x ∈ A
→ (x +Q
[〈z, w〉] ~Q ) ∈
A) → y ∈ A))) |
| 9 | 8 | imbi2d 464 |
. . . . . . . . . 10
⊢ ([〈v, u〉]
~Q = y →
((A ∈ P →
(∀x(x ∈ A
→ (x +Q
[〈z, w〉] ~Q ) ∈
A) → [〈v, u〉]
~Q ∈ A))
↔ (A ∈ P →
(∀x(x ∈ A
→ (x +Q
[〈z, w〉] ~Q ) ∈
A) → y ∈ A)))) |
| 10 | | opreq2 3007 |
. . . . . . . . . . . . . . 15
⊢ ([〈z, w〉]
~Q = B →
(x +Q
[〈z, w〉] ~Q ) = (x +Q B)) |
| 11 | 10 | eleq1d 1155 |
. . . . . . . . . . . . . 14
⊢ ([〈z, w〉]
~Q = B →
((x +Q
[〈z, w〉] ~Q ) ∈
A ↔ (x +Q B) ∈ A)) |
| 12 | 11 | imbi2d 464 |
. . . . . . . . . . . . 13
⊢ ([〈z, w〉]
~Q = B →
((x ∈ A → (x
+Q [〈z,
w〉] ~Q )
∈ A) ↔ (x ∈ A
→ (x +Q
B) ∈ A))) |
| 13 | 12 | bialdv 935 |
. . . . . . . . . . . 12
⊢ ([〈z, w〉]
~Q = B →
(∀x(x ∈ A
→ (x +Q
[〈z, w〉] ~Q ) ∈
A) ↔ ∀x(x ∈
A → (x +Q B) ∈ A))) |
| 14 | 13 | imbi1d 465 |
. . . . . . . . . . 11
⊢ ([〈z, w〉]
~Q = B →
((∀x(x ∈ A
→ (x +Q
[〈z, w〉] ~Q ) ∈
A) → y ∈ A)
↔ (∀x(x ∈ A
→ (x +Q
B) ∈ A) → y
∈ A))) |
| 15 | 14 | imbi2d 464 |
. . . . . . . . . 10
⊢ ([〈z, w〉]
~Q = B →
((A ∈ P →
(∀x(x ∈ A
→ (x +Q
[〈z, w〉] ~Q ) ∈
A) → y ∈ A))
↔ (A ∈ P →
(∀x(x ∈ A
→ (x +Q
B) ∈ A) → y
∈ A)))) |
| 16 | | pm3.27 260 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ((u
∈ N ∧ w ∈
N) → w ∈
N) |
| 17 | 16, 16 | jca 236 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((u
∈ N ∧ w ∈
N) → (w ∈
N ∧ w ∈
N)) |
| 18 | 17 | anim1i 269 |
. . . . . . . . . . . . . . . . . . 19
⊢ (((u
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) → ((w ∈
N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N))) |
| 19 | | an42 389 |
. . . . . . . . . . . . . . . . . . 19
⊢ (((w
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) ↔ ((w ∈
N ∧ v ∈
N) ∧ (z ∈
N ∧ w ∈
N))) |
| 20 | 18, 19 | sylib 173 |
. . . . . . . . . . . . . . . . . 18
⊢ (((u
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) → ((w ∈
N ∧ v ∈
N) ∧ (z ∈
N ∧ w ∈
N))) |
| 21 | | mulclpi 3815 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((w
∈ N ∧ v ∈
N) → (w
·N v)
∈ N) |
| 22 | | enqex 3842 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ ~Q ∈
V |
| 23 | | ecexg 3204 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ ( ~Q ∈
V → [〈z, w〉] ~Q ∈
V) |
| 24 | 22, 23 | ax-mp 6 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ [〈z, w〉]
~Q ∈ V |
| 25 | 24 | prlem934a 3931 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ ((w
·N v)
∈ N → ((([〈z,
w〉] ~Q ∈
Q ∧ ∀x(x ∈ A
→ (x +Q
[〈z, w〉] ~Q ) ∈
A)) ∧ y ∈ A)
→ (y +Q
([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q )) ∈ A)) |
| 26 | 25 | exp4c 297 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ((w
·N v)
∈ N → ([〈z,
w〉] ~Q ∈
Q → (∀x(x ∈ A
→ (x +Q
[〈z, w〉] ~Q ) ∈
A) → (y ∈ A
→ (y +Q
([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q )) ∈ A)))) |
| 27 | 22, 6 | ecopqsi 3230 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ((z
∈ N ∧ w ∈
N) → [〈z, w〉] ~Q ∈
Q) |
| 28 | 26, 27 | syl5 22 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((w
·N v)
∈ N → ((z ∈
N ∧ w ∈
N) → (∀x(x ∈ A
→ (x +Q
[〈z, w〉] ~Q ) ∈
A) → (y ∈ A
→ (y +Q
([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q )) ∈ A)))) |
| 29 | 21, 28 | syl 12 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((w
∈ N ∧ v ∈
N) → ((z ∈
N ∧ w ∈
N) → (∀x(x ∈ A
→ (x +Q
[〈z, w〉] ~Q ) ∈
A) → (y ∈ A
→ (y +Q
([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q )) ∈ A)))) |
| 30 | 29 | imp 277 |
. . . . . . . . . . . . . . . . . 18
⊢ (((w
∈ N ∧ v ∈
N) ∧ (z ∈
N ∧ w ∈
N)) → (∀x(x ∈
A → (x +Q [〈z, w〉]
~Q ) ∈ A)
→ (y ∈ A → (y
+Q ([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q )) ∈ A))) |
| 31 | 20, 30 | syl 12 |
. . . . . . . . . . . . . . . . 17
⊢ (((u
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) → (∀x(x ∈
A → (x +Q [〈z, w〉]
~Q ) ∈ A)
→ (y ∈ A → (y
+Q ([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q )) ∈ A))) |
| 32 | 31 | com23 32 |
. . . . . . . . . . . . . . . 16
⊢ (((u
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) → (y ∈ A → (∀x(x ∈
A → (x +Q [〈z, w〉]
~Q ) ∈ A)
→ (y +Q
([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q )) ∈ A))) |
| 33 | 32 | adantld 307 |
. . . . . . . . . . . . . . 15
⊢ (((u
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) → ((A ∈
P ∧ y ∈ A) → (∀x(x ∈
A → (x +Q [〈z, w〉]
~Q ) ∈ A)
→ (y +Q
([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q )) ∈ A))) |
| 34 | | prcdpq 3891 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ((A
∈ P ∧ (y
+Q ([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q )) ∈ A)
→ ([〈v, u〉] ~Q
<Q (y
+Q ([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q )) → [〈v, u〉]
~Q ∈ A)) |
| 35 | | oprex 3018 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ ([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) ∈ V |
| 36 | | visset 1350 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ y
∈ V |
| 37 | 35, 36 | ltaddpq 3873 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ ((([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) ∈ Q ∧ y ∈ Q) → ([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) <Q (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y)) |
| 38 | | 1pi 3805 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
⊢ 1o ∈
N |
| 39 | 22, 6 | ecopqsi 3230 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
⊢ (((w
·N v)
∈ N ∧ 1o ∈ N)
→ [〈(w
·N v),
1o〉] ~Q ∈
Q) |
| 40 | 38, 39 | mpan2 519 |
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
⊢ ((w
·N v)
∈ N → [〈(w
·N v),
1o〉] ~Q ∈
Q) |
| 41 | 21, 40 | syl 12 |
. . . . . . . . . . . . . . . . . . . . . . . . . 26
⊢ ((w
∈ N ∧ v ∈
N) → [〈(w
·N v),
1o〉] ~Q ∈
Q) |
| 42 | 41, 27 | anim12i 268 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ (((w
∈ N ∧ v ∈
N) ∧ (z ∈
N ∧ w ∈
N)) → ([〈(w
·N v),
1o〉] ~Q ∈ Q
∧ [〈z, w〉] ~Q ∈
Q)) |
| 43 | | mulclpq 3854 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ (([〈(w ·N v), 1o〉]
~Q ∈ Q ∧ [〈z, w〉]
~Q ∈ Q) → ([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) ∈ Q) |
| 44 | 20, 42, 43 | 3syl 21 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ (((u
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) → ([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q ) ∈ Q) |
| 45 | 37, 44 | sylan 343 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ ((((u
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) ∧ y ∈
Q) → ([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q ) <Q (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y)) |
| 46 | | prlem934b 3932 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ (((u
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) → (([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q ) = [〈v,
u〉] ~Q ∨
[〈v, u〉] ~Q
<Q ([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q ))) |
| 47 | | breq1 2065 |
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
⊢ (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) = [〈v,
u〉] ~Q →
(([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q ) <Q (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y) ↔ [〈v, u〉]
~Q <Q (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y))) |
| 48 | 47 | biimpd 135 |
. . . . . . . . . . . . . . . . . . . . . . . . . 26
⊢ (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) = [〈v,
u〉] ~Q →
(([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q ) <Q (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y) → [〈v, u〉]
~Q <Q (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y))) |
| 49 | | ecexg 3204 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
⊢ ( ~Q ∈
V → [〈v, u〉] ~Q ∈
V) |
| 50 | 22, 49 | ax-mp 6 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
⊢ [〈v, u〉]
~Q ∈ V |
| 51 | | ltsopq 3869 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
⊢ <Q Or
Q |
| 52 | | ltrelpq 3845 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
⊢ <Q ⊆
(Q × Q) |
| 53 | | oprex 3018 |
. . . . . . . . . . . . . . . . . . . . . . . . . . . 28
⊢ (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y) ∈ V |
| 54 | 50, 51, 52, 35, 53 | sotri 2630 |
. . . . . . . . . . . . . . . . . . . . . . . . . . 27
⊢ (([〈v, u〉]
~Q <Q ([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) ∧ ([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) <Q (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y)) → [〈v, u〉]
~Q <Q (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y)) |
| 55 | 54 | exp 291 |
. . . . . . . . . . . . . . . . . . . . . . . . . 26
⊢ ([〈v, u〉]
~Q <Q ([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) → (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) <Q (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y) → [〈v, u〉]
~Q <Q (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y))) |
| 56 | 48, 55 | jaoi 275 |
. . . . . . . . . . . . . . . . . . . . . . . . 25
⊢ ((([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) = [〈v,
u〉] ~Q ∨
[〈v, u〉] ~Q
<Q ([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q )) → (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) <Q (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y) → [〈v, u〉]
~Q <Q (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y))) |
| 57 | 46, 56 | syl 12 |
. . . . . . . . . . . . . . . . . . . . . . . 24
⊢ (((u
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) → (([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q ) <Q (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y) → [〈v, u〉]
~Q <Q (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y))) |
| 58 | 57 | adantr 306 |
. . . . . . . . . . . . . . . . . . . . . . 23
⊢ ((((u
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) ∧ y ∈
Q) → (([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q ) <Q (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y) → [〈v, u〉]
~Q <Q (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y))) |
| 59 | 45, 58 | mpd 46 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ ((((u
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) ∧ y ∈
Q) → [〈v, u〉] ~Q
<Q (([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q ) +Q y)) |
| 60 | 35, 36 | addcompq 3856 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ (([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q ) +Q y) = (y
+Q ([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q )) |
| 61 | 59, 60 | syl6breq 2093 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ((((u
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) ∧ y ∈
Q) → [〈v, u〉] ~Q
<Q (y
+Q ([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q ))) |
| 62 | 34, 61 | syl5 22 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((A
∈ P ∧ (y
+Q ([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q )) ∈ A)
→ ((((u ∈ N ∧
w ∈ N) ∧ (v ∈ N ∧ z ∈ N)) ∧ y ∈ Q) → [〈v, u〉]
~Q ∈ A)) |
| 63 | 62 | exp4b 296 |
. . . . . . . . . . . . . . . . . . 19
⊢ (A
∈ P → ((y
+Q ([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q )) ∈ A
→ (((u ∈ N ∧
w ∈ N) ∧ (v ∈ N ∧ z ∈ N)) → (y ∈ Q → [〈v, u〉]
~Q ∈ A)))) |
| 64 | 63 | com24 37 |
. . . . . . . . . . . . . . . . . 18
⊢ (A
∈ P → (y ∈
Q → (((u ∈
N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) → ((y
+Q ([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q )) ∈ A
→ [〈v, u〉] ~Q ∈ A)))) |
| 65 | | elprpq 3889 |
. . . . . . . . . . . . . . . . . 18
⊢ ((A
∈ P ∧ y ∈
A) → y ∈ Q) |
| 66 | 64, 65 | syl5 22 |
. . . . . . . . . . . . . . . . 17
⊢ (A
∈ P → ((A ∈
P ∧ y ∈ A) → (((u
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) → ((y
+Q ([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q )) ∈ A
→ [〈v, u〉] ~Q ∈ A)))) |
| 67 | 66 | anabsi5 377 |
. . . . . . . . . . . . . . . 16
⊢ ((A
∈ P ∧ y ∈
A) → (((u ∈ N ∧ w ∈ N) ∧ (v ∈ N ∧ z ∈ N)) → ((y +Q ([〈(w ·N v), 1o〉]
~Q ·Q [〈z, w〉]
~Q )) ∈ A
→ [〈v, u〉] ~Q ∈ A))) |
| 68 | 67 | com12 13 |
. . . . . . . . . . . . . . 15
⊢ (((u
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) → ((A ∈
P ∧ y ∈ A) → ((y
+Q ([〈(w
·N v),
1o〉] ~Q
·Q [〈z, w〉]
~Q )) ∈ A
→ [〈v, u〉] ~Q ∈ A))) |
| 69 | 33, 68 | syldd 50 |
. . . . . . . . . . . . . 14
⊢ (((u
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) → ((A ∈
P ∧ y ∈ A) → (∀x(x ∈
A → (x +Q [〈z, w〉]
~Q ) ∈ A)
→ [〈v, u〉] ~Q ∈ A))) |
| 70 | 69 | 19.23adv 954 |
. . . . . . . . . . . . 13
⊢ (((u
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) → (∃y(A ∈ P ∧ y ∈ A)
→ (∀x(x ∈ A
→ (x +Q
[〈z, w〉] ~Q ) ∈
A) → [〈v, u〉]
~Q ∈ A))) |
| 71 | | prn0 3887 |
. . . . . . . . . . . . . . . 16
⊢ (A
∈ P → ¬ A =
∅) |
| 72 | | n0 1714 |
. . . . . . . . . . . . . . . 16
⊢ (¬ A = ∅ ↔ ∃y y ∈
A) |
| 73 | 71, 72 | sylib 173 |
. . . . . . . . . . . . . . 15
⊢ (A
∈ P → ∃y
y ∈ A) |
| 74 | 73 | ancli 244 |
. . . . . . . . . . . . . 14
⊢ (A
∈ P → (A ∈
P ∧ ∃y y ∈ A)) |
| 75 | | 19.42v 966 |
. . . . . . . . . . . . . 14
⊢ (∃y(A ∈
P ∧ y ∈ A) ↔ (A
∈ P ∧ ∃y
y ∈ A)) |
| 76 | 74, 75 | sylibr 175 |
. . . . . . . . . . . . 13
⊢ (A
∈ P → ∃y(A ∈
P ∧ y ∈ A)) |
| 77 | 70, 76 | syl5 22 |
. . . . . . . . . . . 12
⊢ (((u
∈ N ∧ w ∈
N) ∧ (v ∈
N ∧ z ∈
N)) → (A ∈
P → (∀x(x ∈ A
→ (x +Q
[〈z, w〉] ~Q ) ∈
A) → [〈v, u〉]
~Q ∈ A))) |
| 78 | 77 | ancoms 334 |
. . . . . . . . . . 11
⊢ (((v
∈ N ∧ z ∈
N) ∧ (u ∈
N ∧ w ∈
N)) → (A ∈
P → (∀x(x ∈ A
→ (x +Q
[〈z, w〉] ~Q ) ∈
A) → [〈v, u〉]
~Q ∈ A))) |
| 79 | 78 | an4s 390 |
. . . . . . . . . 10
⊢ (((v
∈ N ∧ u ∈
N) ∧ (z ∈
N ∧ w ∈
N)) → (A ∈
P → (∀x(x ∈ A
→ (x +Q
[〈z, w〉] ~Q ) ∈
A) → [〈v, u〉]
~Q ∈ A))) |
| 80 | 6, 9, 15, 79 | 2ecoptocl 3240 |
. . . . . . . . 9
⊢ ((y
∈ Q ∧ B ∈
Q) → (A ∈
P → (∀x(x ∈ A
→ (x +Q
B) ∈ A) → y
∈ A))) |
| 81 | 80 | exp 291 |
. . . . . . . 8
⊢ (y
∈ Q → (B ∈
Q → (A ∈
P → (∀x(x ∈ A
→ (x +Q
B) ∈ A) → y
∈ A)))) |
| 82 | 81 | com4l 39 |
. . . . . . 7
⊢ (B
∈ Q → (A ∈
P → (∀x(x ∈ A
→ (x +Q
B) ∈ A) → (y
∈ Q → y ∈
A)))) |
| 83 | 82 | imp 277 |
. . . . . 6
⊢ ((B
∈ Q ∧ A ∈
P) → (∀x(x ∈ A
→ (x +Q
B) ∈ A) → (y
∈ Q → y ∈
A))) |
| 84 | 83 | 19.21adv 945 |
. . . . 5
⊢ ((B
∈ Q ∧ A ∈
P) → (∀x(x ∈ A
→ (x +Q
B) ∈ A) → ∀y(y ∈
Q → y ∈ A))) |
| 85 | | dfss2 1497 |
. . . . 5
⊢ (Q ⊆ A ↔ ∀y(y ∈
Q → y ∈ A)) |
| 86 | 84, 85 | syl6ibr 186 |
. . . 4
⊢ ((B
∈ Q ∧ A ∈
P) → (∀x(x ∈ A
→ (x +Q
B) ∈ A) → Q ⊆ A)) |
| 87 | 5, 86 | mtod 95 |
. . 3
⊢ ((B
∈ Q ∧ A ∈
P) → ¬ ∀x(x ∈
A → (x +Q B) ∈ A)) |
| 88 | | exanali 725 |
. . 3
⊢ (∃x(x ∈
A ∧ ¬ (x +Q B) ∈ A)
↔ ¬ ∀x(x ∈ A
→ (x +Q
B) ∈ A)) |
| 89 | 87, 88 | sylibr 175 |
. 2
⊢ ((B
∈ Q ∧ A ∈
P) → ∃x(x ∈ A ∧
¬ (x +Q
B) ∈ A)) |
| 90 | 89 | ancoms 334 |
1
⊢ ((A
∈ P ∧ B ∈
Q) → ∃x(x ∈ A ∧
¬ (x +Q
B) ∈ A)) |