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| Mirrors > Home > ILE Home > Th. List > usgredgssen | GIF version | ||
| Description: The set of edges of a simple graph is a subset of the set of proper unordered pairs of vertices. (Contributed by AV, 1-Jan-2020.) (Revised by AV, 14-Oct-2020.) |
| Ref | Expression |
|---|---|
| usgredgssen | ⊢ (𝐺 ∈ USGraph → (Edg‘𝐺) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐺) ∣ 𝑥 ≈ 2o}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | edgvalg 15936 | . 2 ⊢ (𝐺 ∈ USGraph → (Edg‘𝐺) = ran (iEdg‘𝐺)) | |
| 2 | eqid 2230 | . . . 4 ⊢ (Vtx‘𝐺) = (Vtx‘𝐺) | |
| 3 | eqid 2230 | . . . 4 ⊢ (iEdg‘𝐺) = (iEdg‘𝐺) | |
| 4 | 2, 3 | usgrfen 16037 | . . 3 ⊢ (𝐺 ∈ USGraph → (iEdg‘𝐺):dom (iEdg‘𝐺)–1-1→{𝑥 ∈ 𝒫 (Vtx‘𝐺) ∣ 𝑥 ≈ 2o}) |
| 5 | f1f 5542 | . . 3 ⊢ ((iEdg‘𝐺):dom (iEdg‘𝐺)–1-1→{𝑥 ∈ 𝒫 (Vtx‘𝐺) ∣ 𝑥 ≈ 2o} → (iEdg‘𝐺):dom (iEdg‘𝐺)⟶{𝑥 ∈ 𝒫 (Vtx‘𝐺) ∣ 𝑥 ≈ 2o}) | |
| 6 | frn 5490 | . . 3 ⊢ ((iEdg‘𝐺):dom (iEdg‘𝐺)⟶{𝑥 ∈ 𝒫 (Vtx‘𝐺) ∣ 𝑥 ≈ 2o} → ran (iEdg‘𝐺) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐺) ∣ 𝑥 ≈ 2o}) | |
| 7 | 4, 5, 6 | 3syl 17 | . 2 ⊢ (𝐺 ∈ USGraph → ran (iEdg‘𝐺) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐺) ∣ 𝑥 ≈ 2o}) |
| 8 | 1, 7 | eqsstrd 3262 | 1 ⊢ (𝐺 ∈ USGraph → (Edg‘𝐺) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐺) ∣ 𝑥 ≈ 2o}) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2201 {crab 2513 ⊆ wss 3199 𝒫 cpw 3651 class class class wbr 4087 dom cdm 4724 ran crn 4725 ⟶wf 5321 –1-1→wf1 5322 ‘cfv 5325 2oc2o 6578 ≈ cen 6909 Vtxcvtx 15889 iEdgciedg 15890 Edgcedg 15934 USGraphcusgr 16031 |
| 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 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2203 ax-14 2204 ax-ext 2212 ax-sep 4206 ax-pow 4263 ax-pr 4298 ax-un 4529 ax-setind 4634 ax-cnex 8125 ax-resscn 8126 ax-1cn 8127 ax-1re 8128 ax-icn 8129 ax-addcl 8130 ax-addrcl 8131 ax-mulcl 8132 ax-addcom 8134 ax-mulcom 8135 ax-addass 8136 ax-mulass 8137 ax-distr 8138 ax-i2m1 8139 ax-1rid 8141 ax-0id 8142 ax-rnegex 8143 ax-cnre 8145 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ne 2402 df-ral 2514 df-rex 2515 df-reu 2516 df-rab 2518 df-v 2803 df-sbc 3031 df-csb 3127 df-dif 3201 df-un 3203 df-in 3205 df-ss 3212 df-if 3605 df-pw 3653 df-sn 3674 df-pr 3675 df-op 3677 df-uni 3893 df-int 3928 df-br 4088 df-opab 4150 df-mpt 4151 df-id 4389 df-xp 4730 df-rel 4731 df-cnv 4732 df-co 4733 df-dm 4734 df-rn 4735 df-res 4736 df-iota 5285 df-fun 5327 df-fn 5328 df-f 5329 df-f1 5330 df-fo 5331 df-fv 5333 df-riota 5973 df-ov 6023 df-oprab 6024 df-mpo 6025 df-1st 6305 df-2nd 6306 df-sub 8354 df-inn 9146 df-2 9204 df-3 9205 df-4 9206 df-5 9207 df-6 9208 df-7 9209 df-8 9210 df-9 9211 df-n0 9405 df-dec 9614 df-ndx 13105 df-slot 13106 df-base 13108 df-edgf 15882 df-vtx 15891 df-iedg 15892 df-edg 15935 df-usgren 16033 |
| This theorem is referenced by: edgusgren 16040 usgrausgrien 16046 |
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