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| Mirrors > Home > ILE Home > Th. List > usgrumgruspgr | GIF version | ||
| Description: A graph is a simple graph iff it is a multigraph and a simple pseudograph. (Contributed by AV, 30-Nov-2020.) |
| Ref | Expression |
|---|---|
| usgrumgruspgr | ⊢ (𝐺 ∈ USGraph ↔ (𝐺 ∈ UMGraph ∧ 𝐺 ∈ USPGraph)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | usgrumgr 16034 | . . 3 ⊢ (𝐺 ∈ USGraph → 𝐺 ∈ UMGraph) | |
| 2 | usgruspgr 16033 | . . 3 ⊢ (𝐺 ∈ USGraph → 𝐺 ∈ USPGraph) | |
| 3 | 1, 2 | jca 306 | . 2 ⊢ (𝐺 ∈ USGraph → (𝐺 ∈ UMGraph ∧ 𝐺 ∈ USPGraph)) |
| 4 | eqid 2231 | . . . . 5 ⊢ (Vtx‘𝐺) = (Vtx‘𝐺) | |
| 5 | eqid 2231 | . . . . 5 ⊢ (iEdg‘𝐺) = (iEdg‘𝐺) | |
| 6 | 4, 5 | uspgrfen 16009 | . . . 4 ⊢ (𝐺 ∈ USPGraph → (iEdg‘𝐺):dom (iEdg‘𝐺)–1-1→{𝑥 ∈ 𝒫 (Vtx‘𝐺) ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)}) |
| 7 | edgvalg 15909 | . . . . 5 ⊢ (𝐺 ∈ UMGraph → (Edg‘𝐺) = ran (iEdg‘𝐺)) | |
| 8 | umgredgssen 15990 | . . . . 5 ⊢ (𝐺 ∈ UMGraph → (Edg‘𝐺) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐺) ∣ 𝑥 ≈ 2o}) | |
| 9 | 7, 8 | eqsstrrd 3264 | . . . 4 ⊢ (𝐺 ∈ UMGraph → ran (iEdg‘𝐺) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐺) ∣ 𝑥 ≈ 2o}) |
| 10 | f1ssr 5549 | . . . 4 ⊢ (((iEdg‘𝐺):dom (iEdg‘𝐺)–1-1→{𝑥 ∈ 𝒫 (Vtx‘𝐺) ∣ (𝑥 ≈ 1o ∨ 𝑥 ≈ 2o)} ∧ ran (iEdg‘𝐺) ⊆ {𝑥 ∈ 𝒫 (Vtx‘𝐺) ∣ 𝑥 ≈ 2o}) → (iEdg‘𝐺):dom (iEdg‘𝐺)–1-1→{𝑥 ∈ 𝒫 (Vtx‘𝐺) ∣ 𝑥 ≈ 2o}) | |
| 11 | 6, 9, 10 | syl2anr 290 | . . 3 ⊢ ((𝐺 ∈ UMGraph ∧ 𝐺 ∈ USPGraph) → (iEdg‘𝐺):dom (iEdg‘𝐺)–1-1→{𝑥 ∈ 𝒫 (Vtx‘𝐺) ∣ 𝑥 ≈ 2o}) |
| 12 | 4, 5 | isusgren 16008 | . . . 4 ⊢ (𝐺 ∈ UMGraph → (𝐺 ∈ USGraph ↔ (iEdg‘𝐺):dom (iEdg‘𝐺)–1-1→{𝑥 ∈ 𝒫 (Vtx‘𝐺) ∣ 𝑥 ≈ 2o})) |
| 13 | 12 | adantr 276 | . . 3 ⊢ ((𝐺 ∈ UMGraph ∧ 𝐺 ∈ USPGraph) → (𝐺 ∈ USGraph ↔ (iEdg‘𝐺):dom (iEdg‘𝐺)–1-1→{𝑥 ∈ 𝒫 (Vtx‘𝐺) ∣ 𝑥 ≈ 2o})) |
| 14 | 11, 13 | mpbird 167 | . 2 ⊢ ((𝐺 ∈ UMGraph ∧ 𝐺 ∈ USPGraph) → 𝐺 ∈ USGraph) |
| 15 | 3, 14 | impbii 126 | 1 ⊢ (𝐺 ∈ USGraph ↔ (𝐺 ∈ UMGraph ∧ 𝐺 ∈ USPGraph)) |
| Colors of variables: wff set class |
| Syntax hints: ∧ wa 104 ↔ wb 105 ∨ wo 715 ∈ wcel 2202 {crab 2514 ⊆ wss 3200 𝒫 cpw 3652 class class class wbr 4088 dom cdm 4725 ran crn 4726 –1-1→wf1 5323 ‘cfv 5326 1oc1o 6574 2oc2o 6575 ≈ cen 6906 Vtxcvtx 15862 iEdgciedg 15863 Edgcedg 15907 UMGraphcumgr 15942 USPGraphcuspgr 16003 USGraphcusgr 16004 |
| 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 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-cnex 8122 ax-resscn 8123 ax-1cn 8124 ax-1re 8125 ax-icn 8126 ax-addcl 8127 ax-addrcl 8128 ax-mulcl 8129 ax-addcom 8131 ax-mulcom 8132 ax-addass 8133 ax-mulass 8134 ax-distr 8135 ax-i2m1 8136 ax-1rid 8138 ax-0id 8139 ax-rnegex 8140 ax-cnre 8142 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-ral 2515 df-rex 2516 df-reu 2517 df-rab 2519 df-v 2804 df-sbc 3032 df-csb 3128 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-if 3606 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-br 4089 df-opab 4151 df-mpt 4152 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-f1 5331 df-fo 5332 df-fv 5334 df-riota 5970 df-ov 6020 df-oprab 6021 df-mpo 6022 df-1st 6302 df-2nd 6303 df-sub 8351 df-inn 9143 df-2 9201 df-3 9202 df-4 9203 df-5 9204 df-6 9205 df-7 9206 df-8 9207 df-9 9208 df-n0 9402 df-dec 9611 df-ndx 13084 df-slot 13085 df-base 13087 df-edgf 15855 df-vtx 15864 df-iedg 15865 df-edg 15908 df-umgren 15944 df-uspgren 16005 df-usgren 16006 |
| This theorem is referenced by: (None) |
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