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| Description: nalset 4175 from bounded separation. (Contributed by BJ, 18-Nov-2019.) (Proof modification is discouraged.) |
| Ref | Expression |
|---|---|
| bj-nalset |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | alexnim 1671 |
. 2
| |
| 2 | ax-bdel 15794 |
. . . . 5
| |
| 3 | 2 | ax-bdn 15790 |
. . . 4
|
| 4 | 3 | bdsep1 15858 |
. . 3
|
| 5 | elequ1 2180 |
. . . . . 6
| |
| 6 | elequ1 2180 |
. . . . . . 7
| |
| 7 | elequ1 2180 |
. . . . . . . . 9
| |
| 8 | elequ2 2181 |
. . . . . . . . 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 1883 |
. . . 4
|
| 14 | pclem6 1394 |
. . . 4
| |
| 15 | 13, 14 | syl 14 |
. . 3
|
| 16 | 4, 15 | eximii 1625 |
. 2
|
| 17 | 1, 16 | mpg 1474 |
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 1470 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-8 1527 ax-4 1533 ax-17 1549 ax-i9 1553 ax-ial 1557 ax-13 2178 ax-14 2179 ax-bdn 15790 ax-bdel 15794 ax-bdsep 15857 |
| This theorem depends on definitions: df-bi 117 df-tru 1376 df-fal 1379 df-nf 1484 |
| This theorem is referenced by: bj-vprc 15869 |
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