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Mirrors > Home > ILE Home > Th. List > eliunxp | Unicode version |
Description: Membership in a union of cross products. Analogue of elxp 4551 for nonconstant . (Contributed by Mario Carneiro, 29-Dec-2014.) |
Ref | Expression |
---|---|
eliunxp |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | relxp 4643 | . . . . . 6 | |
2 | 1 | rgenw 2485 | . . . . 5 |
3 | reliun 4655 | . . . . 5 | |
4 | 2, 3 | mpbir 145 | . . . 4 |
5 | elrel 4636 | . . . 4 | |
6 | 4, 5 | mpan 420 | . . 3 |
7 | 6 | pm4.71ri 389 | . 2 |
8 | nfiu1 3838 | . . . 4 | |
9 | 8 | nfel2 2292 | . . 3 |
10 | 9 | 19.41 1664 | . 2 |
11 | 19.41v 1874 | . . . 4 | |
12 | eleq1 2200 | . . . . . . 7 | |
13 | opeliunxp 4589 | . . . . . . 7 | |
14 | 12, 13 | syl6bb 195 | . . . . . 6 |
15 | 14 | pm5.32i 449 | . . . . 5 |
16 | 15 | exbii 1584 | . . . 4 |
17 | 11, 16 | bitr3i 185 | . . 3 |
18 | 17 | exbii 1584 | . 2 |
19 | 7, 10, 18 | 3bitr2i 207 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wb 104 wceq 1331 wex 1468 wcel 1480 wral 2414 csn 3522 cop 3525 ciun 3808 cxp 4532 wrel 4539 |
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 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-sep 4041 ax-pow 4093 ax-pr 4126 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ral 2419 df-rex 2420 df-v 2683 df-sbc 2905 df-csb 2999 df-un 3070 df-in 3072 df-ss 3079 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-iun 3810 df-opab 3985 df-xp 4540 df-rel 4541 |
This theorem is referenced by: raliunxp 4675 rexiunxp 4676 dfmpt3 5240 mpomptx 5855 fisumcom2 11200 |
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