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| Mirrors > Home > ILE Home > Th. List > pwtpss | Unicode version | ||
| Description: The power set of an unordered triple. (Contributed by Jim Kingdon, 13-Aug-2018.) |
| Ref | Expression |
|---|---|
| pwtpss |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sstpr 3877 |
. . 3
| |
| 2 | elun 3370 |
. . . 4
| |
| 3 | elun 3370 |
. . . . . 6
| |
| 4 | vex 2824 |
. . . . . . . 8
| |
| 5 | 4 | elpr 3726 |
. . . . . . 7
|
| 6 | 4 | elpr 3726 |
. . . . . . 7
|
| 7 | 5, 6 | orbi12i 776 |
. . . . . 6
|
| 8 | 3, 7 | bitri 184 |
. . . . 5
|
| 9 | elun 3370 |
. . . . . 6
| |
| 10 | 4 | elpr 3726 |
. . . . . . 7
|
| 11 | 4 | elpr 3726 |
. . . . . . 7
|
| 12 | 10, 11 | orbi12i 776 |
. . . . . 6
|
| 13 | 9, 12 | bitri 184 |
. . . . 5
|
| 14 | 8, 13 | orbi12i 776 |
. . . 4
|
| 15 | 2, 14 | bitri 184 |
. . 3
|
| 16 | 4 | elpw 3691 |
. . 3
|
| 17 | 1, 15, 16 | 3imtr4i 201 |
. 2
|
| 18 | 17 | ssriv 3252 |
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-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-3or 1010 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-v 2823 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3687 df-sn 3711 df-pr 3712 df-tp 3713 |
| This theorem is referenced by: (None) |
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