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| Mirrors > Home > ILE Home > Th. List > funvtxdm2domval | Unicode version | ||
| Description: The set of vertices of an extensible structure with (at least) two slots. (Contributed by AV, 12-Oct-2020.) (Revised by Jim Kingdon, 11-Dec-2025.) |
| Ref | Expression |
|---|---|
| funvtxdm2domval |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vtxvalg 15690 |
. . 3
| |
| 2 | 1 | 3ad2ant1 1021 |
. 2
|
| 3 | fundm2domnop0 11012 |
. . . 4
| |
| 4 | 3 | iffalsed 3585 |
. . 3
|
| 5 | 4 | 3adant1 1018 |
. 2
|
| 6 | 2, 5 | eqtrd 2239 |
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 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2179 ax-14 2180 ax-ext 2188 ax-sep 4170 ax-nul 4178 ax-pow 4226 ax-pr 4261 ax-un 4488 ax-cnex 8036 ax-resscn 8037 ax-1re 8039 ax-addrcl 8042 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-ne 2378 df-ral 2490 df-rex 2491 df-rab 2494 df-v 2775 df-sbc 3003 df-csb 3098 df-dif 3172 df-un 3174 df-in 3176 df-ss 3183 df-nul 3465 df-if 3576 df-pw 3623 df-sn 3644 df-pr 3645 df-op 3647 df-uni 3857 df-int 3892 df-br 4052 df-opab 4114 df-mpt 4115 df-id 4348 df-suc 4426 df-xp 4689 df-rel 4690 df-cnv 4691 df-co 4692 df-dm 4693 df-rn 4694 df-res 4695 df-iota 5241 df-fun 5282 df-fn 5283 df-f 5284 df-f1 5285 df-fo 5286 df-fv 5288 df-1st 6239 df-1o 6515 df-2o 6516 df-dom 6842 df-inn 9057 df-ndx 12910 df-slot 12911 df-base 12913 df-vtx 15688 |
| This theorem is referenced by: basvtxval2dom 15708 grstructd2dom 15722 |
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