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| Mirrors > Home > ILE Home > Th. List > vtxex | Unicode version | ||
| Description: Applying the vertex function yields a set. (Contributed by Jim Kingdon, 29-Dec-2025.) |
| Ref | Expression |
|---|---|
| vtxex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vtxvalg 15838 |
. 2
| |
| 2 | 1stexg 6322 |
. . 3
| |
| 3 | basfn 13112 |
. . . 4
| |
| 4 | elex 2811 |
. . . 4
| |
| 5 | funfvex 5649 |
. . . . 5
| |
| 6 | 5 | funfni 5426 |
. . . 4
|
| 7 | 3, 4, 6 | sylancr 414 |
. . 3
|
| 8 | 2, 7 | ifexd 4576 |
. 2
|
| 9 | 1, 8 | eqeltrd 2306 |
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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4259 ax-pr 4294 ax-un 4525 ax-cnex 8106 ax-resscn 8107 ax-1re 8109 ax-addrcl 8112 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2801 df-sbc 3029 df-csb 3125 df-un 3201 df-in 3203 df-ss 3210 df-if 3603 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-br 4084 df-opab 4146 df-mpt 4147 df-id 4385 df-xp 4726 df-rel 4727 df-cnv 4728 df-co 4729 df-dm 4730 df-rn 4731 df-res 4732 df-iota 5281 df-fun 5323 df-fn 5324 df-f 5325 df-fo 5327 df-fv 5329 df-1st 6295 df-inn 9127 df-ndx 13056 df-slot 13057 df-base 13059 df-vtx 15836 |
| This theorem is referenced by: isuhgrm 15892 isushgrm 15893 uhgrunop 15908 incistruhgr 15911 isupgren 15916 upgrop 15925 isumgren 15926 upgrunop 15946 umgrunop 15948 isuspgren 15976 isusgren 15977 usgrop 15985 usgrausgrien 15988 ausgrumgrien 15989 ausgrusgrien 15990 usgredg2v 16043 usgriedgdomord 16044 uspgredgdomord 16048 vtxdgfval 16074 vtxdgop 16078 wksfval 16094 wlkex 16097 clwwlkg 16162 clwwlkex 16167 |
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