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| Description: nalset 4190 from bounded separation. (Contributed by BJ, 18-Nov-2019.) (Proof modification is discouraged.) |
| Ref | Expression |
|---|---|
| bj-nalset |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | alexnim 1672 |
. 2
| |
| 2 | ax-bdel 15956 |
. . . . 5
| |
| 3 | 2 | ax-bdn 15952 |
. . . 4
|
| 4 | 3 | bdsep1 16020 |
. . 3
|
| 5 | elequ1 2182 |
. . . . . 6
| |
| 6 | elequ1 2182 |
. . . . . . 7
| |
| 7 | elequ1 2182 |
. . . . . . . . 9
| |
| 8 | elequ2 2183 |
. . . . . . . . 9
| |
| 9 | 7, 8 | bitrd 188 |
. . . . . . . 8
|
| 10 | 9 | notbid 669 |
. . . . . . 7
|
| 11 | 6, 10 | anbi12d 473 |
. . . . . 6
|
| 12 | 5, 11 | bibi12d 235 |
. . . . 5
|
| 13 | 12 | spv 1884 |
. . . 4
|
| 14 | pclem6 1394 |
. . . 4
| |
| 15 | 13, 14 | syl 14 |
. . 3
|
| 16 | 4, 15 | eximii 1626 |
. 2
|
| 17 | 1, 16 | mpg 1475 |
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 1471 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-13 2180 ax-14 2181 ax-bdn 15952 ax-bdel 15956 ax-bdsep 16019 |
| This theorem depends on definitions: df-bi 117 df-tru 1376 df-fal 1379 df-nf 1485 |
| This theorem is referenced by: bj-vprc 16031 |
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