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| Description: nalset 4224 from bounded separation. (Contributed by BJ, 18-Nov-2019.) (Proof modification is discouraged.) |
| Ref | Expression |
|---|---|
| bj-nalset |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | alexnim 1697 |
. 2
| |
| 2 | ax-bdel 16537 |
. . . . 5
| |
| 3 | 2 | ax-bdn 16533 |
. . . 4
|
| 4 | 3 | bdsep1 16601 |
. . 3
|
| 5 | elequ1 2206 |
. . . . . 6
| |
| 6 | elequ1 2206 |
. . . . . . 7
| |
| 7 | elequ1 2206 |
. . . . . . . . 9
| |
| 8 | elequ2 2207 |
. . . . . . . . 9
| |
| 9 | 7, 8 | bitrd 188 |
. . . . . . . 8
|
| 10 | 9 | notbid 673 |
. . . . . . 7
|
| 11 | 6, 10 | anbi12d 473 |
. . . . . 6
|
| 12 | 5, 11 | bibi12d 235 |
. . . . 5
|
| 13 | 12 | spv 1908 |
. . . 4
|
| 14 | pclem6 1419 |
. . . 4
| |
| 15 | 13, 14 | syl 14 |
. . 3
|
| 16 | 4, 15 | eximii 1651 |
. 2
|
| 17 | 1, 16 | mpg 1500 |
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 619 ax-in2 620 ax-5 1496 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-13 2204 ax-14 2205 ax-bdn 16533 ax-bdel 16537 ax-bdsep 16600 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-fal 1404 df-nf 1510 |
| This theorem is referenced by: bj-vprc 16612 |
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