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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 30192 | . 2 ⊢ 𝐸 ∈ Word {𝑥 ∈ 𝒫 𝑉 ∣ (♯‘𝑥) = 2} |
| 5 | opex 5407 | . . . 4 ⊢ 〈𝑉, 𝐸〉 ∈ V | |
| 6 | 3, 5 | eqeltri 2824 | . . 3 ⊢ 𝐺 ∈ V |
| 7 | s7cli 14792 | . . . 4 ⊢ 〈“{0, 1} {0, 2} {0, 3} {1, 2} {1, 2} {2, 3} {2, 3}”〉 ∈ Word V | |
| 8 | 2, 7 | eqeltri 2824 | . . 3 ⊢ 𝐸 ∈ Word V |
| 9 | 1, 2, 3 | konigsbergvtx 30190 | . . . . 5 ⊢ (Vtx‘𝐺) = (0...3) |
| 10 | 1, 9 | eqtr4i 2755 | . . . 4 ⊢ 𝑉 = (Vtx‘𝐺) |
| 11 | 1, 2, 3 | konigsbergiedg 30191 | . . . . 5 ⊢ (iEdg‘𝐺) = 〈“{0, 1} {0, 2} {0, 3} {1, 2} {1, 2} {2, 3} {2, 3}”〉 |
| 12 | 2, 11 | eqtr4i 2755 | . . . 4 ⊢ 𝐸 = (iEdg‘𝐺) |
| 13 | 10, 12 | wrdumgr 29042 | . . 3 ⊢ ((𝐺 ∈ V ∧ 𝐸 ∈ Word V) → (𝐺 ∈ UMGraph ↔ 𝐸 ∈ Word {𝑥 ∈ 𝒫 𝑉 ∣ (♯‘𝑥) = 2})) |
| 14 | 6, 8, 13 | mp2an 692 | . 2 ⊢ (𝐺 ∈ UMGraph ↔ 𝐸 ∈ Word {𝑥 ∈ 𝒫 𝑉 ∣ (♯‘𝑥) = 2}) |
| 15 | 4, 14 | mpbir 231 | 1 ⊢ 𝐺 ∈ UMGraph |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 206 = wceq 1540 ∈ wcel 2109 {crab 3394 Vcvv 3436 𝒫 cpw 4551 {cpr 4579 〈cop 4583 ‘cfv 6482 (class class class)co 7349 0cc0 11009 1c1 11010 2c2 12183 3c3 12184 ...cfz 13410 ♯chash 14237 Word cword 14420 〈“cs7 14753 Vtxcvtx 28941 iEdgciedg 28942 UMGraphcumgr 29026 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5218 ax-sep 5235 ax-nul 5245 ax-pow 5304 ax-pr 5371 ax-un 7671 ax-cnex 11065 ax-resscn 11066 ax-1cn 11067 ax-icn 11068 ax-addcl 11069 ax-addrcl 11070 ax-mulcl 11071 ax-mulrcl 11072 ax-mulcom 11073 ax-addass 11074 ax-mulass 11075 ax-distr 11076 ax-i2m1 11077 ax-1ne0 11078 ax-1rid 11079 ax-rnegex 11080 ax-rrecex 11081 ax-cnre 11082 ax-pre-lttri 11083 ax-pre-lttrn 11084 ax-pre-ltadd 11085 ax-pre-mulgt0 11086 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-reu 3344 df-rab 3395 df-v 3438 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4285 df-if 4477 df-pw 4553 df-sn 4578 df-pr 4580 df-op 4584 df-uni 4859 df-int 4897 df-iun 4943 df-br 5093 df-opab 5155 df-mpt 5174 df-tr 5200 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6249 df-ord 6310 df-on 6311 df-lim 6312 df-suc 6313 df-iota 6438 df-fun 6484 df-fn 6485 df-f 6486 df-f1 6487 df-fo 6488 df-f1o 6489 df-fv 6490 df-riota 7306 df-ov 7352 df-oprab 7353 df-mpo 7354 df-om 7800 df-1st 7924 df-2nd 7925 df-frecs 8214 df-wrecs 8245 df-recs 8294 df-rdg 8332 df-1o 8388 df-oadd 8392 df-er 8625 df-en 8873 df-dom 8874 df-sdom 8875 df-fin 8876 df-dju 9797 df-card 9835 df-pnf 11151 df-mnf 11152 df-xr 11153 df-ltxr 11154 df-le 11155 df-sub 11349 df-neg 11350 df-nn 12129 df-2 12191 df-3 12192 df-n0 12385 df-z 12472 df-uz 12736 df-fz 13411 df-fzo 13558 df-hash 14238 df-word 14421 df-concat 14478 df-s1 14503 df-s2 14755 df-s3 14756 df-s4 14757 df-s5 14758 df-s6 14759 df-s7 14760 df-vtx 28943 df-iedg 28944 df-umgr 29028 |
| This theorem is referenced by: konigsberg 30201 |
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