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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 15833 |
. 2
| |
| 2 | 1stexg 6319 |
. . 3
| |
| 3 | basfn 13107 |
. . . 4
| |
| 4 | elex 2811 |
. . . 4
| |
| 5 | funfvex 5646 |
. . . . 5
| |
| 6 | 5 | funfni 5423 |
. . . 4
|
| 7 | 3, 4, 6 | sylancr 414 |
. . 3
|
| 8 | 2, 7 | ifexd 4575 |
. 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 4258 ax-pr 4293 ax-un 4524 ax-cnex 8101 ax-resscn 8102 ax-1re 8104 ax-addrcl 8107 |
| 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 4384 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-rn 4730 df-res 4731 df-iota 5278 df-fun 5320 df-fn 5321 df-f 5322 df-fo 5324 df-fv 5326 df-1st 6292 df-inn 9122 df-ndx 13051 df-slot 13052 df-base 13054 df-vtx 15831 |
| This theorem is referenced by: isuhgrm 15887 isushgrm 15888 uhgrunop 15903 incistruhgr 15906 isupgren 15911 upgrop 15920 isumgren 15921 upgrunop 15941 umgrunop 15943 isuspgren 15971 isusgren 15972 usgrop 15980 usgrausgrien 15983 ausgrumgrien 15984 ausgrusgrien 15985 usgredg2v 16038 usgriedgdomord 16039 uspgredgdomord 16043 vtxdgfval 16048 vtxdgop 16052 wksfval 16068 wlkex 16071 clwwlkg 16136 clwwlkex 16141 |
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