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| Mirrors > Home > MPE Home > Th. List > konigsbergumgr | Structured version Visualization version GIF version | ||
| Description: The Königsberg graph 𝐺 is a multigraph. (Contributed by AV, 28-Feb-2021.) (Revised by AV, 9-Mar-2021.) |
| Ref | Expression |
|---|---|
| konigsberg.v | ⊢ 𝑉 = (0...3) |
| konigsberg.e | ⊢ 𝐸 = 〈“{0, 1} {0, 2} {0, 3} {1, 2} {1, 2} {2, 3} {2, 3}”〉 |
| konigsberg.g | ⊢ 𝐺 = 〈𝑉, 𝐸〉 |
| Ref | Expression |
|---|---|
| konigsbergumgr | ⊢ 𝐺 ∈ UMGraph |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | konigsberg.v | . . 3 ⊢ 𝑉 = (0...3) | |
| 2 | konigsberg.e | . . 3 ⊢ 𝐸 = 〈“{0, 1} {0, 2} {0, 3} {1, 2} {1, 2} {2, 3} {2, 3}”〉 | |
| 3 | konigsberg.g | . . 3 ⊢ 𝐺 = 〈𝑉, 𝐸〉 | |
| 4 | 1, 2, 3 | konigsbergiedgw 30849 | . 2 ⊢ 𝐸 ∈ Word {𝑥 ∈ 𝒫 𝑉 ∣ (♯‘𝑥) = 2} |
| 5 | opex 5432 | . . . 4 ⊢ 〈𝑉, 𝐸〉 ∈ V | |
| 6 | 3, 5 | eqeltri 2857 | . . 3 ⊢ 𝐺 ∈ V |
| 7 | s7cli 15036 | . . . 4 ⊢ 〈“{0, 1} {0, 2} {0, 3} {1, 2} {1, 2} {2, 3} {2, 3}”〉 ∈ Word V | |
| 8 | 2, 7 | eqeltri 2857 | . . 3 ⊢ 𝐸 ∈ Word V |
| 9 | 1, 2, 3 | konigsbergvtx 30847 | . . . . 5 ⊢ (Vtx‘𝐺) = (0...3) |
| 10 | 1, 9 | eqtr4i 2787 | . . . 4 ⊢ 𝑉 = (Vtx‘𝐺) |
| 11 | 1, 2, 3 | konigsbergiedg 30848 | . . . . 5 ⊢ (iEdg‘𝐺) = 〈“{0, 1} {0, 2} {0, 3} {1, 2} {1, 2} {2, 3} {2, 3}”〉 |
| 12 | 2, 11 | eqtr4i 2787 | . . . 4 ⊢ 𝐸 = (iEdg‘𝐺) |
| 13 | 10, 12 | wrdumgr 29675 | . . 3 ⊢ ((𝐺 ∈ V ∧ 𝐸 ∈ Word V) → (𝐺 ∈ UMGraph ↔ 𝐸 ∈ Word {𝑥 ∈ 𝒫 𝑉 ∣ (♯‘𝑥) = 2})) |
| 14 | 6, 8, 13 | mp2an 705 | . 2 ⊢ (𝐺 ∈ UMGraph ↔ 𝐸 ∈ Word {𝑥 ∈ 𝒫 𝑉 ∣ (♯‘𝑥) = 2}) |
| 15 | 4, 14 | mpbir 234 | 1 ⊢ 𝐺 ∈ UMGraph |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 = wceq 1570 ∈ wcel 2145 {crab 3413 Vcvv 3451 𝒫 cpw 4557 {cpr 4586 〈cop 4590 ‘cfv 6538 (class class class)co 7420 0cc0 11200 1c1 11201 2c2 12397 3c3 12398 ...cfz 13639 ♯chash 14474 Word cword 14658 〈“cs7 14997 Vtxcvtx 29574 iEdgciedg 29575 UMGraphcumgr 29659 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7751 ax-cnex 11256 ax-resscn 11257 ax-1cn 11258 ax-icn 11259 ax-addcl 11260 ax-addrcl 11261 ax-mulcl 11262 ax-mulrcl 11263 ax-mulcom 11264 ax-addass 11265 ax-mulass 11266 ax-distr 11267 ax-i2m1 11268 ax-1ne0 11269 ax-1rid 11270 ax-rnegex 11271 ax-rrecex 11272 ax-cnre 11273 ax-pre-lttri 11274 ax-pre-lttrn 11275 ax-pre-ltadd 11276 ax-pre-mulgt0 11277 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-1st 8001 df-2nd 8002 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-rdg 8418 df-1o 8476 df-oadd 8480 df-er 8717 df-en 8974 df-dom 8975 df-sdom 8976 df-fin 8977 df-dju 9982 df-card 10020 df-pnf 11345 df-mnf 11346 df-xr 11347 df-ltxr 11348 df-le 11349 df-sub 11543 df-neg 11544 df-nn 12336 df-2 12405 df-3 12406 df-n0 12607 df-z 12694 df-uz 12966 df-fz 13640 df-fzo 13789 df-hash 14475 df-word 14659 df-concat 14716 df-s1 14743 df-s2 14999 df-s3 15000 df-s4 15001 df-s5 15002 df-s6 15003 df-s7 15004 df-vtx 29576 df-iedg 29577 df-umgr 29661 |
| This theorem is used by: konigsberg 30858 |
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