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| Mirrors > Home > MPE Home > Th. List > konigsbergiedgw | Structured version Visualization version GIF version | ||
| Description: The indexed edges of the Königsberg graph 𝐺 is a word over the pairs of vertices. (Contributed by AV, 28-Feb-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 |
|---|---|
| konigsbergiedgw | ⊢ 𝐸 ∈ Word {𝑥 ∈ 𝒫 𝑉 ∣ (♯‘𝑥) = 2} |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3nn0 12485 | . . . . . . 7 ⊢ 3 ∈ ℕ0 | |
| 2 | 0elfz 13615 | . . . . . . 7 ⊢ (3 ∈ ℕ0 → 0 ∈ (0...3)) | |
| 3 | 1, 2 | ax-mp 5 | . . . . . 6 ⊢ 0 ∈ (0...3) |
| 4 | 1nn0 12483 | . . . . . . 7 ⊢ 1 ∈ ℕ0 | |
| 5 | 1le3 12418 | . . . . . . 7 ⊢ 1 ≤ 3 | |
| 6 | elfz2nn0 13609 | . . . . . . 7 ⊢ (1 ∈ (0...3) ↔ (1 ∈ ℕ0 ∧ 3 ∈ ℕ0 ∧ 1 ≤ 3)) | |
| 7 | 4, 1, 5, 6 | mpbir3an 1351 | . . . . . 6 ⊢ 1 ∈ (0...3) |
| 8 | 0ne1 12275 | . . . . . 6 ⊢ 0 ≠ 1 | |
| 9 | 3, 7, 8 | umgrbi 29237 | . . . . 5 ⊢ {0, 1} ∈ {𝑥 ∈ 𝒫 (0...3) ∣ (♯‘𝑥) = 2} |
| 10 | 9 | a1i 11 | . . . 4 ⊢ (⊤ → {0, 1} ∈ {𝑥 ∈ 𝒫 (0...3) ∣ (♯‘𝑥) = 2}) |
| 11 | 2nn0 12484 | . . . . . . 7 ⊢ 2 ∈ ℕ0 | |
| 12 | 2re 12278 | . . . . . . . 8 ⊢ 2 ∈ ℝ | |
| 13 | 3re 12284 | . . . . . . . 8 ⊢ 3 ∈ ℝ | |
| 14 | 2lt3 12377 | . . . . . . . 8 ⊢ 2 < 3 | |
| 15 | 12, 13, 14 | ltleii 11292 | . . . . . . 7 ⊢ 2 ≤ 3 |
| 16 | elfz2nn0 13609 | . . . . . . 7 ⊢ (2 ∈ (0...3) ↔ (2 ∈ ℕ0 ∧ 3 ∈ ℕ0 ∧ 2 ≤ 3)) | |
| 17 | 11, 1, 15, 16 | mpbir3an 1351 | . . . . . 6 ⊢ 2 ∈ (0...3) |
| 18 | 0ne2 12413 | . . . . . 6 ⊢ 0 ≠ 2 | |
| 19 | 3, 17, 18 | umgrbi 29237 | . . . . 5 ⊢ {0, 2} ∈ {𝑥 ∈ 𝒫 (0...3) ∣ (♯‘𝑥) = 2} |
| 20 | 19 | a1i 11 | . . . 4 ⊢ (⊤ → {0, 2} ∈ {𝑥 ∈ 𝒫 (0...3) ∣ (♯‘𝑥) = 2}) |
| 21 | nn0fz0 13616 | . . . . . . 7 ⊢ (3 ∈ ℕ0 ↔ 3 ∈ (0...3)) | |
| 22 | 1, 21 | mpbi 232 | . . . . . 6 ⊢ 3 ∈ (0...3) |
| 23 | 3ne0 12313 | . . . . . . 7 ⊢ 3 ≠ 0 | |
| 24 | 23 | necomi 3001 | . . . . . 6 ⊢ 0 ≠ 3 |
| 25 | 3, 22, 24 | umgrbi 29237 | . . . . 5 ⊢ {0, 3} ∈ {𝑥 ∈ 𝒫 (0...3) ∣ (♯‘𝑥) = 2} |
| 26 | 25 | a1i 11 | . . . 4 ⊢ (⊤ → {0, 3} ∈ {𝑥 ∈ 𝒫 (0...3) ∣ (♯‘𝑥) = 2}) |
| 27 | 1ne2 12414 | . . . . . 6 ⊢ 1 ≠ 2 | |
| 28 | 7, 17, 27 | umgrbi 29237 | . . . . 5 ⊢ {1, 2} ∈ {𝑥 ∈ 𝒫 (0...3) ∣ (♯‘𝑥) = 2} |
| 29 | 28 | a1i 11 | . . . 4 ⊢ (⊤ → {1, 2} ∈ {𝑥 ∈ 𝒫 (0...3) ∣ (♯‘𝑥) = 2}) |
| 30 | 12, 14 | ltneii 11282 | . . . . . 6 ⊢ 2 ≠ 3 |
| 31 | 17, 22, 30 | umgrbi 29237 | . . . . 5 ⊢ {2, 3} ∈ {𝑥 ∈ 𝒫 (0...3) ∣ (♯‘𝑥) = 2} |
| 32 | 31 | a1i 11 | . . . 4 ⊢ (⊤ → {2, 3} ∈ {𝑥 ∈ 𝒫 (0...3) ∣ (♯‘𝑥) = 2}) |
| 33 | 10, 20, 26, 29, 29, 32, 32 | s7cld 14875 | . . 3 ⊢ (⊤ → 〈“{0, 1} {0, 2} {0, 3} {1, 2} {1, 2} {2, 3} {2, 3}”〉 ∈ Word {𝑥 ∈ 𝒫 (0...3) ∣ (♯‘𝑥) = 2}) |
| 34 | 33 | mptru 1557 | . 2 ⊢ 〈“{0, 1} {0, 2} {0, 3} {1, 2} {1, 2} {2, 3} {2, 3}”〉 ∈ Word {𝑥 ∈ 𝒫 (0...3) ∣ (♯‘𝑥) = 2} |
| 35 | konigsberg.e | . 2 ⊢ 𝐸 = 〈“{0, 1} {0, 2} {0, 3} {1, 2} {1, 2} {2, 3} {2, 3}”〉 | |
| 36 | konigsberg.v | . . . . 5 ⊢ 𝑉 = (0...3) | |
| 37 | 36 | pweqi 4561 | . . . 4 ⊢ 𝒫 𝑉 = 𝒫 (0...3) |
| 38 | 37 | rabeqi 3417 | . . 3 ⊢ {𝑥 ∈ 𝒫 𝑉 ∣ (♯‘𝑥) = 2} = {𝑥 ∈ 𝒫 (0...3) ∣ (♯‘𝑥) = 2} |
| 39 | 38 | wrdeqi 14536 | . 2 ⊢ Word {𝑥 ∈ 𝒫 𝑉 ∣ (♯‘𝑥) = 2} = Word {𝑥 ∈ 𝒫 (0...3) ∣ (♯‘𝑥) = 2} |
| 40 | 34, 35, 39 | 3eltr4i 2865 | 1 ⊢ 𝐸 ∈ Word {𝑥 ∈ 𝒫 𝑉 ∣ (♯‘𝑥) = 2} |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1550 ⊤wtru 1551 ∈ wcel 2132 {crab 3404 𝒫 cpw 4545 {cpr 4574 〈cop 4578 class class class wbr 5090 ‘cfv 6506 (class class class)co 7381 0cc0 11059 1c1 11060 ≤ cle 11203 2c2 12258 3c3 12259 ℕ0cn0 12467 ...cfz 13498 ♯chash 14329 Word cword 14512 〈“cs7 14845 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1805 ax-4 1819 ax-5 1920 ax-6 1977 ax-7 2018 ax-8 2134 ax-9 2142 ax-10 2165 ax-11 2181 ax-12 2202 ax-ext 2724 ax-rep 5217 ax-sep 5236 ax-nul 5246 ax-pow 5312 ax-pr 5380 ax-un 7703 ax-cnex 11115 ax-resscn 11116 ax-1cn 11117 ax-icn 11118 ax-addcl 11119 ax-addrcl 11120 ax-mulcl 11121 ax-mulrcl 11122 ax-mulcom 11123 ax-addass 11124 ax-mulass 11125 ax-distr 11126 ax-i2m1 11127 ax-1ne0 11128 ax-1rid 11129 ax-rnegex 11130 ax-rrecex 11131 ax-cnre 11132 ax-pre-lttri 11133 ax-pre-lttrn 11134 ax-pre-ltadd 11135 ax-pre-mulgt0 11136 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1553 df-fal 1563 df-ex 1790 df-nf 1794 df-sb 2081 df-mo 2556 df-eu 2586 df-clab 2731 df-cleq 2744 df-clel 2827 df-nfc 2901 df-ne 2948 df-nel 3052 df-ral 3067 df-rex 3077 df-reu 3358 df-rab 3405 df-v 3446 df-sbc 3736 df-csb 3844 df-dif 3898 df-un 3900 df-in 3902 df-ss 3912 df-pss 3915 df-nul 4277 df-if 4471 df-pw 4547 df-sn 4573 df-pr 4575 df-op 4579 df-uni 4856 df-int 4896 df-iun 4941 df-br 5091 df-opab 5153 df-mpt 5172 df-tr 5198 df-id 5531 df-eprel 5536 df-po 5544 df-so 5545 df-fr 5589 df-we 5591 df-xp 5642 df-rel 5643 df-cnv 5644 df-co 5645 df-dm 5646 df-rn 5647 df-res 5648 df-ima 5649 df-pred 6273 df-ord 6334 df-on 6335 df-lim 6336 df-suc 6337 df-iota 6462 df-fun 6508 df-fn 6509 df-f 6510 df-f1 6511 df-fo 6512 df-f1o 6513 df-fv 6514 df-riota 7338 df-ov 7384 df-oprab 7385 df-mpo 7386 df-om 7832 df-1st 7955 df-2nd 7956 df-frecs 8246 df-wrecs 8277 df-recs 8326 df-rdg 8365 df-1o 8421 df-oadd 8425 df-er 8662 df-en 8913 df-dom 8914 df-sdom 8915 df-fin 8916 df-dju 9845 df-card 9883 df-pnf 11204 df-mnf 11205 df-xr 11206 df-ltxr 11207 df-le 11208 df-sub 11402 df-neg 11403 df-nn 12197 df-2 12266 df-3 12267 df-n0 12468 df-z 12555 df-uz 12826 df-fz 13499 df-fzo 13646 df-hash 14330 df-word 14513 df-concat 14570 df-s1 14596 df-s2 14847 df-s3 14848 df-s4 14849 df-s5 14850 df-s6 14851 df-s7 14852 |
| This theorem is referenced by: konigsbergssiedgwpr 30386 konigsbergumgr 30388 |
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