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| Mirrors > Home > ILE Home > Th. List > ushgruhgr | GIF version | ||
| Description: An undirected simple hypergraph is an undirected hypergraph. (Contributed by AV, 19-Jan-2020.) (Revised by AV, 9-Oct-2020.) |
| Ref | Expression |
|---|---|
| ushgruhgr | ⊢ (𝐺 ∈ USHGraph → 𝐺 ∈ UHGraph) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2234 | . . . 4 ⊢ (Vtx‘𝐺) = (Vtx‘𝐺) | |
| 2 | eqid 2234 | . . . 4 ⊢ (iEdg‘𝐺) = (iEdg‘𝐺) | |
| 3 | 1, 2 | ushgrfm 16118 | . . 3 ⊢ (𝐺 ∈ USHGraph → (iEdg‘𝐺):dom (iEdg‘𝐺)–1-1→{𝑠 ∈ 𝒫 (Vtx‘𝐺) ∣ ∃𝑗 𝑗 ∈ 𝑠}) |
| 4 | f1f 5575 | . . 3 ⊢ ((iEdg‘𝐺):dom (iEdg‘𝐺)–1-1→{𝑠 ∈ 𝒫 (Vtx‘𝐺) ∣ ∃𝑗 𝑗 ∈ 𝑠} → (iEdg‘𝐺):dom (iEdg‘𝐺)⟶{𝑠 ∈ 𝒫 (Vtx‘𝐺) ∣ ∃𝑗 𝑗 ∈ 𝑠}) | |
| 5 | 3, 4 | syl 14 | . 2 ⊢ (𝐺 ∈ USHGraph → (iEdg‘𝐺):dom (iEdg‘𝐺)⟶{𝑠 ∈ 𝒫 (Vtx‘𝐺) ∣ ∃𝑗 𝑗 ∈ 𝑠}) |
| 6 | 1, 2 | isuhgrm 16115 | . 2 ⊢ (𝐺 ∈ USHGraph → (𝐺 ∈ UHGraph ↔ (iEdg‘𝐺):dom (iEdg‘𝐺)⟶{𝑠 ∈ 𝒫 (Vtx‘𝐺) ∣ ∃𝑗 𝑗 ∈ 𝑠})) |
| 7 | 5, 6 | mpbird 167 | 1 ⊢ (𝐺 ∈ USHGraph → 𝐺 ∈ UHGraph) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∃wex 1541 ∈ wcel 2205 {crab 2526 𝒫 cpw 3671 dom cdm 4751 ⟶wf 5350 –1-1→wf1 5351 ‘cfv 5354 Vtxcvtx 16056 iEdgciedg 16057 UHGraphcuhgr 16111 USHGraphcushgr 16112 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-sep 4230 ax-pow 4289 ax-pr 4324 ax-un 4556 ax-setind 4661 ax-cnex 8223 ax-resscn 8224 ax-1cn 8225 ax-1re 8226 ax-icn 8227 ax-addcl 8228 ax-addrcl 8229 ax-mulcl 8230 ax-addcom 8232 ax-mulcom 8233 ax-addass 8234 ax-mulass 8235 ax-distr 8236 ax-i2m1 8237 ax-1rid 8239 ax-0id 8240 ax-rnegex 8241 ax-cnre 8243 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-ral 2527 df-rex 2528 df-reu 2529 df-rab 2531 df-v 2817 df-sbc 3045 df-csb 3141 df-dif 3215 df-un 3217 df-in 3219 df-ss 3226 df-if 3623 df-pw 3673 df-sn 3697 df-pr 3698 df-op 3700 df-uni 3917 df-int 3952 df-br 4112 df-opab 4174 df-mpt 4175 df-id 4416 df-xp 4757 df-rel 4758 df-cnv 4759 df-co 4760 df-dm 4761 df-rn 4762 df-res 4763 df-iota 5314 df-fun 5356 df-fn 5357 df-f 5358 df-f1 5359 df-fo 5360 df-fv 5362 df-riota 6005 df-ov 6055 df-oprab 6056 df-mpo 6057 df-1st 6336 df-2nd 6337 df-sub 8451 df-inn 9243 df-2 9301 df-3 9302 df-4 9303 df-5 9304 df-6 9305 df-7 9306 df-8 9307 df-9 9308 df-n0 9502 df-dec 9716 df-ndx 13236 df-slot 13237 df-base 13239 df-edgf 16049 df-vtx 16058 df-iedg 16059 df-uhgrm 16113 df-ushgrm 16114 |
| This theorem is referenced by: ushgrun 16132 ushgrunop 16133 ushgredgedg 16270 ushgredgedgloop 16272 |
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