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| Mirrors > Home > ILE Home > Th. List > iedgex | GIF version | ||
| Description: Applying the indexed edge function yields a set. (Contributed by Jim Kingdon, 29-Dec-2025.) |
| Ref | Expression |
|---|---|
| iedgex | ⊢ (𝐺 ∈ 𝑉 → (iEdg‘𝐺) ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iedgvalg 15855 | . 2 ⊢ (𝐺 ∈ 𝑉 → (iEdg‘𝐺) = if(𝐺 ∈ (V × V), (2nd ‘𝐺), (.ef‘𝐺))) | |
| 2 | 2ndexg 6324 | . . 3 ⊢ (𝐺 ∈ 𝑉 → (2nd ‘𝐺) ∈ V) | |
| 3 | edgfid 15844 | . . . . 5 ⊢ .ef = Slot (.ef‘ndx) | |
| 4 | edgfndxnn 15846 | . . . . 5 ⊢ (.ef‘ndx) ∈ ℕ | |
| 5 | 3, 4 | ndxslid 13094 | . . . 4 ⊢ (.ef = Slot (.ef‘ndx) ∧ (.ef‘ndx) ∈ ℕ) |
| 6 | 5 | slotex 13096 | . . 3 ⊢ (𝐺 ∈ 𝑉 → (.ef‘𝐺) ∈ V) |
| 7 | 2, 6 | ifexd 4577 | . 2 ⊢ (𝐺 ∈ 𝑉 → if(𝐺 ∈ (V × V), (2nd ‘𝐺), (.ef‘𝐺)) ∈ V) |
| 8 | 1, 7 | eqeltrd 2306 | 1 ⊢ (𝐺 ∈ 𝑉 → (iEdg‘𝐺) ∈ V) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2200 Vcvv 2800 ifcif 3603 × cxp 4719 ‘cfv 5322 2nd c2nd 6295 ndxcnx 13066 .efcedgf 15842 iEdgciedg 15851 |
| 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 4203 ax-pow 4260 ax-pr 4295 ax-un 4526 ax-setind 4631 ax-cnex 8111 ax-resscn 8112 ax-1cn 8113 ax-1re 8114 ax-icn 8115 ax-addcl 8116 ax-addrcl 8117 ax-mulcl 8118 ax-addcom 8120 ax-mulcom 8121 ax-addass 8122 ax-mulass 8123 ax-distr 8124 ax-i2m1 8125 ax-1rid 8127 ax-0id 8128 ax-rnegex 8129 ax-cnre 8131 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 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-ne 2401 df-ral 2513 df-rex 2514 df-reu 2515 df-rab 2517 df-v 2802 df-sbc 3030 df-csb 3126 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-if 3604 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3890 df-int 3925 df-br 4085 df-opab 4147 df-mpt 4148 df-id 4386 df-xp 4727 df-rel 4728 df-cnv 4729 df-co 4730 df-dm 4731 df-rn 4732 df-res 4733 df-iota 5282 df-fun 5324 df-fn 5325 df-f 5326 df-fo 5328 df-fv 5330 df-riota 5964 df-ov 6014 df-oprab 6015 df-mpo 6016 df-2nd 6297 df-sub 8340 df-inn 9132 df-2 9190 df-3 9191 df-4 9192 df-5 9193 df-6 9194 df-7 9195 df-8 9196 df-9 9197 df-n0 9391 df-dec 9600 df-ndx 13072 df-slot 13073 df-edgf 15843 df-iedg 15853 |
| This theorem is referenced by: isuhgrm 15908 isushgrm 15909 uhgrunop 15924 isupgren 15932 upgrop 15941 isumgren 15942 upgrunop 15962 umgrunop 15964 isuspgren 15992 isusgren 15993 usgrop 16001 usgrausgrien 16004 ausgrumgrien 16005 ausgrusgrien 16006 usgrsizedgen 16048 vtxdgfval 16090 vtxdgop 16094 wksfval 16110 wlkex 16113 wlk1walkdom 16147 |
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