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| Mirrors > Home > ILE Home > Th. List > tpexg | Unicode version | ||
| Description: An unordered triple of classes exists. (Contributed by NM, 10-Apr-1994.) |
| Ref | Expression |
|---|---|
| tpexg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-tp 3702 |
. 2
| |
| 2 | prexg 4330 |
. . . . 5
| |
| 3 | snexg 4302 |
. . . . 5
| |
| 4 | 2, 3 | anim12i 338 |
. . . 4
|
| 5 | 4 | 3impa 1221 |
. . 3
|
| 6 | unexg 4569 |
. . 3
| |
| 7 | 5, 6 | syl 14 |
. 2
|
| 8 | 1, 7 | eqeltrid 2321 |
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-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-sep 4233 ax-pow 4292 ax-pr 4327 ax-un 4559 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-rex 2528 df-v 2817 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-tp 3702 df-uni 3920 |
| This theorem is referenced by: imasex 13569 imasival 13570 imasbas 13571 imasplusg 13572 prdsex 14114 prdsval 14115 ring1 14302 psrval 14940 fnpsr 14941 |
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