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Mirrors > Home > ILE Home > Th. List > pwprss | Unicode version |
Description: The power set of an unordered pair. (Contributed by Jim Kingdon, 13-Aug-2018.) |
Ref | Expression |
---|---|
pwprss |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | vex 2729 | . . . . . 6 | |
2 | 1 | elpr 3597 | . . . . 5 |
3 | 1 | elpr 3597 | . . . . 5 |
4 | 2, 3 | orbi12i 754 | . . . 4 |
5 | ssprr 3736 | . . . 4 | |
6 | 4, 5 | sylbi 120 | . . 3 |
7 | elun 3263 | . . 3 | |
8 | 1 | elpw 3565 | . . 3 |
9 | 6, 7, 8 | 3imtr4i 200 | . 2 |
10 | 9 | ssriv 3146 | 1 |
Colors of variables: wff set class |
Syntax hints: wo 698 wceq 1343 wcel 2136 cun 3114 wss 3116 c0 3409 cpw 3559 csn 3576 cpr 3577 |
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-in1 604 ax-in2 605 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 |
This theorem depends on definitions: df-bi 116 df-tru 1346 df-nf 1449 df-sb 1751 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-v 2728 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-nul 3410 df-pw 3561 df-sn 3582 df-pr 3583 |
This theorem is referenced by: pwpwpw0ss 3787 ord3ex 4169 |
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