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| Description: nalset 3908 from bounded separation. (Contributed by BJ, 18-Nov-2019.) (Proof modification is discouraged.) |
| Ref | Expression |
|---|---|
| bj-nalset |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | alexnim 1579 |
. 2
| |
| 2 | ax-bdel 10612 |
. . . . 5
| |
| 3 | 2 | ax-bdn 10608 |
. . . 4
|
| 4 | 3 | bdsep1 10676 |
. . 3
|
| 5 | elequ1 1640 |
. . . . . 6
| |
| 6 | elequ1 1640 |
. . . . . . 7
| |
| 7 | elequ1 1640 |
. . . . . . . . 9
| |
| 8 | elequ2 1641 |
. . . . . . . . 9
| |
| 9 | 7, 8 | bitrd 186 |
. . . . . . . 8
|
| 10 | 9 | notbid 624 |
. . . . . . 7
|
| 11 | 6, 10 | anbi12d 456 |
. . . . . 6
|
| 12 | 5, 11 | bibi12d 233 |
. . . . 5
|
| 13 | 12 | spv 1781 |
. . . 4
|
| 14 | pclem6 1305 |
. . . 4
| |
| 15 | 13, 14 | syl 14 |
. . 3
|
| 16 | 4, 15 | eximii 1533 |
. 2
|
| 17 | 1, 16 | mpg 1380 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-5 1376 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-4 1440 ax-13 1444 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-bdn 10608 ax-bdel 10612 ax-bdsep 10675 |
| This theorem depends on definitions: df-bi 115 df-tru 1287 df-fal 1290 df-nf 1390 |
| This theorem is referenced by: bj-vprc 10687 |
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