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Mirrors > Home > ILE Home > Th. List > Mathboxes > strcoll2 | Unicode version |
Description: Version of ax-strcoll 13864 with one disjoint variable condition removed and without initial universal quantifier. (Contributed by BJ, 5-Oct-2019.) |
Ref | Expression |
---|---|
strcoll2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | raleq 2661 | . . 3 | |
2 | raleq 2661 | . . . . 5 | |
3 | rexeq 2662 | . . . . . 6 | |
4 | 3 | ralbidv 2466 | . . . . 5 |
5 | 2, 4 | anbi12d 465 | . . . 4 |
6 | 5 | exbidv 1813 | . . 3 |
7 | 1, 6 | imbi12d 233 | . 2 |
8 | ax-strcoll 13864 | . . 3 | |
9 | 8 | spi 1524 | . 2 |
10 | 7, 9 | chvarv 1925 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wex 1480 wral 2444 wrex 2445 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-ext 2147 ax-strcoll 13864 |
This theorem depends on definitions: df-bi 116 df-tru 1346 df-nf 1449 df-sb 1751 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 df-rex 2450 |
This theorem is referenced by: strcollnft 13866 strcollnfALT 13868 |
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