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| Description: nalset 4164 from bounded separation. (Contributed by BJ, 18-Nov-2019.) (Proof modification is discouraged.) |
| Ref | Expression |
|---|---|
| bj-nalset |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | alexnim 1662 |
. 2
| |
| 2 | ax-bdel 15551 |
. . . . 5
| |
| 3 | 2 | ax-bdn 15547 |
. . . 4
|
| 4 | 3 | bdsep1 15615 |
. . 3
|
| 5 | elequ1 2171 |
. . . . . 6
| |
| 6 | elequ1 2171 |
. . . . . . 7
| |
| 7 | elequ1 2171 |
. . . . . . . . 9
| |
| 8 | elequ2 2172 |
. . . . . . . . 9
| |
| 9 | 7, 8 | bitrd 188 |
. . . . . . . 8
|
| 10 | 9 | notbid 668 |
. . . . . . 7
|
| 11 | 6, 10 | anbi12d 473 |
. . . . . 6
|
| 12 | 5, 11 | bibi12d 235 |
. . . . 5
|
| 13 | 12 | spv 1874 |
. . . 4
|
| 14 | pclem6 1385 |
. . . 4
| |
| 15 | 13, 14 | syl 14 |
. . 3
|
| 16 | 4, 15 | eximii 1616 |
. 2
|
| 17 | 1, 16 | mpg 1465 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-5 1461 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-13 2169 ax-14 2170 ax-bdn 15547 ax-bdel 15551 ax-bdsep 15614 |
| This theorem depends on definitions: df-bi 117 df-tru 1367 df-fal 1370 df-nf 1475 |
| This theorem is referenced by: bj-vprc 15626 |
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