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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 30864 | . 2 ⊢ 𝐸 ∈ Word {𝑥 ∈ 𝒫 𝑉 ∣ (♯‘𝑥) = 2} |
| 5 | opex 5436 | . . . 4 ⊢ 〈𝑉, 𝐸〉 ∈ V | |
| 6 | 3, 5 | eqeltri 2860 | . . 3 ⊢ 𝐺 ∈ V |
| 7 | s7cli 15050 | . . . 4 ⊢ 〈“{0, 1} {0, 2} {0, 3} {1, 2} {1, 2} {2, 3} {2, 3}”〉 ∈ Word V | |
| 8 | 2, 7 | eqeltri 2860 | . . 3 ⊢ 𝐸 ∈ Word V |
| 9 | 1, 2, 3 | konigsbergvtx 30862 | . . . . 5 ⊢ (Vtx‘𝐺) = (0...3) |
| 10 | 1, 9 | eqtr4i 2789 | . . . 4 ⊢ 𝑉 = (Vtx‘𝐺) |
| 11 | 1, 2, 3 | konigsbergiedg 30863 | . . . . 5 ⊢ (iEdg‘𝐺) = 〈“{0, 1} {0, 2} {0, 3} {1, 2} {1, 2} {2, 3} {2, 3}”〉 |
| 12 | 2, 11 | eqtr4i 2789 | . . . 4 ⊢ 𝐸 = (iEdg‘𝐺) |
| 13 | 10, 12 | wrdumgr 29690 | . . 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 1569 ∈ wcel 2146 {crab 3416 Vcvv 3454 𝒫 cpw 4560 {cpr 4590 〈cop 4838 ‘cfv 6547 (class class class)co 7430 0cc0 11213 1c1 11214 2c2 12410 3c3 12411 ...cfz 13652 ♯chash 14487 Word cword 14671 〈“cs7 15011 Vtxcvtx 29589 iEdgciedg 29590 UMGraphcumgr 29674 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7761 ax-cnex 11269 ax-resscn 11270 ax-1cn 11271 ax-icn 11272 ax-addcl 11273 ax-addrcl 11274 ax-mulcl 11275 ax-mulrcl 11276 ax-mulcom 11277 ax-addass 11278 ax-mulass 11279 ax-distr 11280 ax-i2m1 11281 ax-1ne0 11282 ax-1rid 11283 ax-rnegex 11284 ax-rrecex 11285 ax-cnre 11286 ax-pre-lttri 11287 ax-pre-lttrn 11288 ax-pre-ltadd 11289 ax-pre-mulgt0 11290 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-int 4911 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6311 df-ord 6372 df-on 6373 df-lim 6374 df-suc 6375 df-iota 6501 df-fun 6549 df-fn 6550 df-f 6551 df-f1 6552 df-fo 6553 df-f1o 6554 df-fv 6555 df-riota 7387 df-ov 7433 df-oprab 7434 df-mpo 7435 df-om 7888 df-1st 8011 df-2nd 8012 df-frecs 8313 df-wrecs 8344 df-recs 8393 df-rdg 8432 df-1o 8490 df-oadd 8494 df-er 8731 df-en 8988 df-dom 8989 df-sdom 8990 df-fin 8991 df-dju 9995 df-card 10033 df-pnf 11358 df-mnf 11359 df-xr 11360 df-ltxr 11361 df-le 11362 df-sub 11556 df-neg 11557 df-nn 12349 df-2 12418 df-3 12419 df-n0 12620 df-z 12707 df-uz 12979 df-fz 13653 df-fzo 13802 df-hash 14488 df-word 14672 df-concat 14729 df-s1 14756 df-s2 15013 df-s3 15014 df-s4 15015 df-s5 15016 df-s6 15017 df-s7 15018 df-vtx 29591 df-iedg 29592 df-umgr 29676 |
| This theorem is used by: konigsberg 30873 |
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