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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 3787 | 
. . 3
 | |
| 2 | elun 3304 | 
. . . 4
 | |
| 3 | elun 3304 | 
. . . . . 6
 | |
| 4 | vex 2766 | 
. . . . . . . 8
 | |
| 5 | 4 | elpr 3643 | 
. . . . . . 7
 | 
| 6 | 4 | elpr 3643 | 
. . . . . . 7
 | 
| 7 | 5, 6 | orbi12i 765 | 
. . . . . 6
 | 
| 8 | 3, 7 | bitri 184 | 
. . . . 5
 | 
| 9 | elun 3304 | 
. . . . . 6
 | |
| 10 | 4 | elpr 3643 | 
. . . . . . 7
 | 
| 11 | 4 | elpr 3643 | 
. . . . . . 7
 | 
| 12 | 10, 11 | orbi12i 765 | 
. . . . . 6
 | 
| 13 | 9, 12 | bitri 184 | 
. . . . 5
 | 
| 14 | 8, 13 | orbi12i 765 | 
. . . 4
 | 
| 15 | 2, 14 | bitri 184 | 
. . 3
 | 
| 16 | 4 | elpw 3611 | 
. . 3
 | 
| 17 | 1, 15, 16 | 3imtr4i 201 | 
. 2
 | 
| 18 | 17 | ssriv 3187 | 
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 615 ax-in2 616 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-ext 2178 | 
| This theorem depends on definitions: df-bi 117 df-3or 981 df-tru 1367 df-nf 1475 df-sb 1777 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-v 2765 df-dif 3159 df-un 3161 df-in 3163 df-ss 3170 df-nul 3451 df-pw 3607 df-sn 3628 df-pr 3629 df-tp 3630 | 
| This theorem is referenced by: (None) | 
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