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| Mirrors > Home > MPE Home > Th. List > usgrexmpl | Structured version Visualization version GIF version | ||
| Description: 𝐺 is a simple graph of five vertices 0, 1, 2, 3, 4, with edges {0, 1}, {1, 2}, {2, 0}, {0, 3}. (Contributed by Alexander van der Vekens, 15-Aug-2017.) (Revised by AV, 21-Oct-2020.) (Proof shortened by AV, 7-Aug-2025.) |
| Ref | Expression |
|---|---|
| usgrexmpl.v | ⊢ 𝑉 = (0...4) |
| usgrexmpl.e | ⊢ 𝐸 = 〈“{0, 1} {1, 2} {2, 0} {0, 3}”〉 |
| usgrexmpl.g | ⊢ 𝐺 = 〈𝑉, 𝐸〉 |
| Ref | Expression |
|---|---|
| usgrexmpl | ⊢ 𝐺 ∈ USGraph |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | usgrexmpl.v | . . 3 ⊢ 𝑉 = (0...4) | |
| 2 | usgrexmpl.e | . . 3 ⊢ 𝐸 = 〈“{0, 1} {1, 2} {2, 0} {0, 3}”〉 | |
| 3 | 1, 2 | usgrexmplef 29350 | . 2 ⊢ 𝐸:dom 𝐸–1-1→{𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2} |
| 4 | usgrexmpl.g | . . . 4 ⊢ 𝐺 = 〈𝑉, 𝐸〉 | |
| 5 | 4 | eleq1i 2832 | . . 3 ⊢ (𝐺 ∈ USGraph ↔ 〈𝑉, 𝐸〉 ∈ USGraph) |
| 6 | 1 | ovexi 7394 | . . . 4 ⊢ 𝑉 ∈ V |
| 7 | s4cli 14839 | . . . . 5 ⊢ 〈“{0, 1} {1, 2} {2, 0} {0, 3}”〉 ∈ Word V | |
| 8 | 2, 7 | eqeltri 2837 | . . . 4 ⊢ 𝐸 ∈ Word V |
| 9 | isusgrop 29253 | . . . 4 ⊢ ((𝑉 ∈ V ∧ 𝐸 ∈ Word V) → (〈𝑉, 𝐸〉 ∈ USGraph ↔ 𝐸:dom 𝐸–1-1→{𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2})) | |
| 10 | 6, 8, 9 | mp2an 699 | . . 3 ⊢ (〈𝑉, 𝐸〉 ∈ USGraph ↔ 𝐸:dom 𝐸–1-1→{𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2}) |
| 11 | 5, 10 | bitri 277 | . 2 ⊢ (𝐺 ∈ USGraph ↔ 𝐸:dom 𝐸–1-1→{𝑒 ∈ 𝒫 𝑉 ∣ (♯‘𝑒) = 2}) |
| 12 | 3, 11 | mpbir 233 | 1 ⊢ 𝐺 ∈ USGraph |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 208 = wceq 1548 ∈ wcel 2121 {crab 3393 Vcvv 3433 𝒫 cpw 4532 {cpr 4560 〈cop 4564 dom cdm 5621 –1-1→wf1 6486 ‘cfv 6489 (class class class)co 7360 0cc0 11033 1c1 11034 2c2 12231 3c3 12232 4c4 12233 ...cfz 13456 ♯chash 14287 Word cword 14470 〈“cs4 14800 USGraphcusgr 29240 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-rep 5202 ax-sep 5221 ax-nul 5231 ax-pow 5297 ax-pr 5365 ax-un 7682 ax-cnex 11089 ax-resscn 11090 ax-1cn 11091 ax-icn 11092 ax-addcl 11093 ax-addrcl 11094 ax-mulcl 11095 ax-mulrcl 11096 ax-mulcom 11097 ax-addass 11098 ax-mulass 11099 ax-distr 11100 ax-i2m1 11101 ax-1ne0 11102 ax-1rid 11103 ax-rnegex 11104 ax-rrecex 11105 ax-cnre 11106 ax-pre-lttri 11107 ax-pre-lttrn 11108 ax-pre-ltadd 11109 ax-pre-mulgt0 11110 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3or 1094 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-eu 2575 df-clab 2720 df-cleq 2733 df-clel 2816 df-nfc 2890 df-ne 2937 df-nel 3041 df-ral 3056 df-rex 3066 df-reu 3347 df-rab 3394 df-v 3435 df-sbc 3726 df-csb 3834 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-pss 3905 df-nul 4265 df-if 4458 df-pw 4534 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-int 4881 df-iun 4926 df-br 5076 df-opab 5138 df-mpt 5157 df-tr 5183 df-id 5516 df-eprel 5521 df-po 5529 df-so 5530 df-fr 5574 df-we 5576 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-pred 6256 df-ord 6317 df-on 6318 df-lim 6319 df-suc 6320 df-iota 6445 df-fun 6491 df-fn 6492 df-f 6493 df-f1 6494 df-fo 6495 df-f1o 6496 df-fv 6497 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-om 7811 df-1st 7935 df-2nd 7936 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-1o 8399 df-oadd 8403 df-er 8637 df-en 8888 df-dom 8889 df-sdom 8890 df-fin 8891 df-dju 9820 df-card 9858 df-pnf 11176 df-mnf 11177 df-xr 11178 df-ltxr 11179 df-le 11180 df-sub 11374 df-neg 11375 df-nn 12170 df-2 12239 df-3 12240 df-4 12241 df-n0 12433 df-z 12520 df-uz 12784 df-fz 13457 df-fzo 13604 df-hash 14288 df-word 14471 df-concat 14528 df-s1 14554 df-s2 14805 df-s3 14806 df-s4 14807 df-vtx 29089 df-iedg 29090 df-usgr 29242 |
| This theorem is referenced by: (None) |
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