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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 15861 | . 2 ⊢ (𝐺 ∈ 𝑉 → (iEdg‘𝐺) = if(𝐺 ∈ (V × V), (2nd ‘𝐺), (.ef‘𝐺))) | |
| 2 | 2ndexg 6326 | . . 3 ⊢ (𝐺 ∈ 𝑉 → (2nd ‘𝐺) ∈ V) | |
| 3 | edgfid 15850 | . . . . 5 ⊢ .ef = Slot (.ef‘ndx) | |
| 4 | edgfndxnn 15852 | . . . . 5 ⊢ (.ef‘ndx) ∈ ℕ | |
| 5 | 3, 4 | ndxslid 13100 | . . . 4 ⊢ (.ef = Slot (.ef‘ndx) ∧ (.ef‘ndx) ∈ ℕ) |
| 6 | 5 | slotex 13102 | . . 3 ⊢ (𝐺 ∈ 𝑉 → (.ef‘𝐺) ∈ V) |
| 7 | 2, 6 | ifexd 4579 | . 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 4721 ‘cfv 5324 2nd c2nd 6297 ndxcnx 13072 .efcedgf 15848 iEdgciedg 15857 |
| 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 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-cnex 8116 ax-resscn 8117 ax-1cn 8118 ax-1re 8119 ax-icn 8120 ax-addcl 8121 ax-addrcl 8122 ax-mulcl 8123 ax-addcom 8125 ax-mulcom 8126 ax-addass 8127 ax-mulass 8128 ax-distr 8129 ax-i2m1 8130 ax-1rid 8132 ax-0id 8133 ax-rnegex 8134 ax-cnre 8136 |
| 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 3892 df-int 3927 df-br 4087 df-opab 4149 df-mpt 4150 df-id 4388 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-rn 4734 df-res 4735 df-iota 5284 df-fun 5326 df-fn 5327 df-f 5328 df-fo 5330 df-fv 5332 df-riota 5966 df-ov 6016 df-oprab 6017 df-mpo 6018 df-2nd 6299 df-sub 8345 df-inn 9137 df-2 9195 df-3 9196 df-4 9197 df-5 9198 df-6 9199 df-7 9200 df-8 9201 df-9 9202 df-n0 9396 df-dec 9605 df-ndx 13078 df-slot 13079 df-edgf 15849 df-iedg 15859 |
| This theorem is referenced by: isuhgrm 15915 isushgrm 15916 uhgrunop 15931 isupgren 15939 upgrop 15948 isumgren 15949 upgrunop 15971 umgrunop 15973 isuspgren 16001 isusgren 16002 usgrop 16010 usgrausgrien 16013 ausgrumgrien 16014 ausgrusgrien 16015 usgrsizedgen 16057 vtxdgfval 16099 vtxdgop 16103 wksfval 16133 wlkex 16136 wlk1walkdom 16170 |
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