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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 2684 | . . . . . 6 | |
2 | 1 | elpr 3543 | . . . . 5 |
3 | 1 | elpr 3543 | . . . . 5 |
4 | 2, 3 | orbi12i 753 | . . . 4 |
5 | ssprr 3678 | . . . 4 | |
6 | 4, 5 | sylbi 120 | . . 3 |
7 | elun 3212 | . . 3 | |
8 | 1 | elpw 3511 | . . 3 |
9 | 6, 7, 8 | 3imtr4i 200 | . 2 |
10 | 9 | ssriv 3096 | 1 |
Colors of variables: wff set class |
Syntax hints: wo 697 wceq 1331 wcel 1480 cun 3064 wss 3066 c0 3358 cpw 3505 csn 3522 cpr 3523 |
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 603 ax-in2 604 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-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 |
This theorem depends on definitions: df-bi 116 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-v 2683 df-dif 3068 df-un 3070 df-in 3072 df-ss 3079 df-nul 3359 df-pw 3507 df-sn 3528 df-pr 3529 |
This theorem is referenced by: pwpwpw0ss 3729 ord3ex 4109 |
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