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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 3677 |
. 2
| |
| 2 | prexg 4301 |
. . . . 5
| |
| 3 | snexg 4274 |
. . . . 5
| |
| 4 | 2, 3 | anim12i 338 |
. . . 4
|
| 5 | 4 | 3impa 1220 |
. . 3
|
| 6 | unexg 4540 |
. . 3
| |
| 7 | 5, 6 | syl 14 |
. 2
|
| 8 | 1, 7 | eqeltrid 2318 |
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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-rex 2516 df-v 2804 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-tp 3677 df-uni 3894 |
| This theorem is referenced by: prdsex 13351 prdsval 13355 imasex 13387 imasival 13388 imasbas 13389 imasplusg 13390 ring1 14071 psrval 14679 fnpsr 14680 |
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