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| Description: unexg 4534 from bounded separation. (Contributed by BJ, 13-Nov-2019.) (Proof modification is discouraged.) |
| Ref | Expression |
|---|---|
| bj-unexg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | uneq1 3351 |
. . 3
| |
| 2 | eleq1 2292 |
. . 3
| |
| 3 | 1, 2 | syl 14 |
. 2
|
| 4 | uneq2 3352 |
. . 3
| |
| 5 | eleq1 2292 |
. . 3
| |
| 6 | 4, 5 | syl 14 |
. 2
|
| 7 | vex 2802 |
. . 3
| |
| 8 | vex 2802 |
. . 3
| |
| 9 | 7, 8 | bj-unex 16282 |
. 2
|
| 10 | 3, 6, 9 | vtocl2g 2865 |
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-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-pr 4293 ax-un 4524 ax-bd0 16176 ax-bdor 16179 ax-bdex 16182 ax-bdeq 16183 ax-bdel 16184 ax-bdsb 16185 ax-bdsep 16247 |
| This theorem depends on definitions: df-bi 117 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-rex 2514 df-v 2801 df-un 3201 df-sn 3672 df-pr 3673 df-uni 3889 df-bdc 16204 |
| This theorem is referenced by: bj-sucexg 16285 |
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