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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 16480 | . 2 ⊢ (𝐺 ∈ 𝑉 → (iEdg‘𝐺) = if(𝐺 ∈ (V × V), (2nd ‘𝐺), (.ef‘𝐺))) | |
| 2 | 2ndexg 6406 | . . 3 ⊢ (𝐺 ∈ 𝑉 → (2nd ‘𝐺) ∈ V) | |
| 3 | edgfid 16469 | . . . . 5 ⊢ .ef = Slot (.ef‘ndx) | |
| 4 | edgfndxnn 16471 | . . . . 5 ⊢ (.ef‘ndx) ∈ ℕ | |
| 5 | 3, 4 | ndxslid 13434 | . . . 4 ⊢ (.ef = Slot (.ef‘ndx) ∧ (.ef‘ndx) ∈ ℕ) |
| 6 | 5 | slotex 13436 | . . 3 ⊢ (𝐺 ∈ 𝑉 → (.ef‘𝐺) ∈ V) |
| 7 | 2, 6 | ifexd 4632 | . 2 ⊢ (𝐺 ∈ 𝑉 → if(𝐺 ∈ (V × V), (2nd ‘𝐺), (.ef‘𝐺)) ∈ V) |
| 8 | 1, 7 | eqeltrd 2315 | 1 ⊢ (𝐺 ∈ 𝑉 → (iEdg‘𝐺) ∈ V) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2209 Vcvv 2821 ifcif 3638 × cxp 4774 ‘cfv 5380 2nd c2nd 6377 ndxcnx 13406 .efcedgf 16467 iEdgciedg 16476 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8276 ax-resscn 8277 ax-1cn 8278 ax-1re 8279 ax-icn 8280 ax-addcl 8281 ax-addrcl 8282 ax-mulcl 8283 ax-addcom 8285 ax-mulcom 8286 ax-addass 8287 ax-mulass 8288 ax-distr 8289 ax-i2m1 8290 ax-1rid 8292 ax-0id 8293 ax-rnegex 8294 ax-cnre 8296 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-if 3639 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4132 df-opab 4194 df-mpt 4195 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-fo 5386 df-fv 5388 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-2nd 6379 df-sub 8506 df-inn 9314 df-2 9372 df-3 9373 df-4 9374 df-5 9375 df-6 9376 df-7 9377 df-8 9378 df-9 9379 df-n0 9575 df-dec 9788 df-ndx 13412 df-slot 13413 df-edgf 16468 df-iedg 16478 |
| This theorem is used by: isuhgrm 16534 isushgrm 16535 uhgrunop 16550 isupgren 16558 upgrop 16567 isumgren 16568 upgrunop 16590 umgrunop 16592 isuspgren 16620 isusgren 16621 usgrop 16629 usgrausgrien 16632 ausgrumgrien 16633 ausgrusgrien 16634 usgrsizedgen 16676 uhgrspansubgrlem 16739 uhgrspanop 16745 upgrspanop 16746 umgrspanop 16747 usgrspanop 16748 vtxdgfval 16751 vtxdgop 16755 wksfval 16785 wlkex 16788 wlk1walkdom 16822 trlsegvdeglem3 16925 trlsegvdeglem5 16927 eupthvdres 16938 eupth2lem3fi 16939 eupth2lembfi 16940 |
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