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| Mirrors > Home > MPE Home > Th. List > Mathboxes > gpgprismgr4cyclex | Structured version Visualization version GIF version | ||
| Description: The generalized Petersen graphs G(N,1), which are the N-prisms, have (at least) one cycle of length 4. (Contributed by AV, 5-Nov-2025.) |
| Ref | Expression |
|---|---|
| gpgprismgr4cyclex | ⊢ (𝑁 ∈ (ℤ≥‘3) → ∃𝑝∃𝑓(𝑓(Cycles‘(𝑁 gPetersenGr 1))𝑝 ∧ (♯‘𝑓) = 4)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | s5cli 14836 | . . 3 ⊢ 〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉 ∈ Word V | |
| 2 | s4cli 14835 | . . 3 ⊢ 〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉 ∈ Word V | |
| 3 | 1, 2 | pm3.2i 470 | . 2 ⊢ (〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉 ∈ Word V ∧ 〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉 ∈ Word V) |
| 4 | eqid 2737 | . . 3 ⊢ 〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉 = 〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉 | |
| 5 | eqid 2737 | . . 3 ⊢ 〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉 = 〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉 | |
| 6 | eqid 2737 | . . 3 ⊢ (𝑁 gPetersenGr 1) = (𝑁 gPetersenGr 1) | |
| 7 | 4, 5, 6 | gpgprismgr4cycl0 48594 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘3) → (〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉(Cycles‘(𝑁 gPetersenGr 1))〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉 ∧ (♯‘〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉) = 4)) |
| 8 | breq12 5091 | . . . . 5 ⊢ ((𝑓 = 〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉 ∧ 𝑝 = 〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉) → (𝑓(Cycles‘(𝑁 gPetersenGr 1))𝑝 ↔ 〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉(Cycles‘(𝑁 gPetersenGr 1))〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉)) | |
| 9 | 8 | ancoms 458 | . . . 4 ⊢ ((𝑝 = 〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉 ∧ 𝑓 = 〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉) → (𝑓(Cycles‘(𝑁 gPetersenGr 1))𝑝 ↔ 〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉(Cycles‘(𝑁 gPetersenGr 1))〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉)) |
| 10 | fveqeq2 6843 | . . . . 5 ⊢ (𝑓 = 〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉 → ((♯‘𝑓) = 4 ↔ (♯‘〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉) = 4)) | |
| 11 | 10 | adantl 481 | . . . 4 ⊢ ((𝑝 = 〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉 ∧ 𝑓 = 〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉) → ((♯‘𝑓) = 4 ↔ (♯‘〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉) = 4)) |
| 12 | 9, 11 | anbi12d 633 | . . 3 ⊢ ((𝑝 = 〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉 ∧ 𝑓 = 〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉) → ((𝑓(Cycles‘(𝑁 gPetersenGr 1))𝑝 ∧ (♯‘𝑓) = 4) ↔ (〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉(Cycles‘(𝑁 gPetersenGr 1))〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉 ∧ (♯‘〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉) = 4))) |
| 13 | 12 | spc2egv 3542 | . 2 ⊢ ((〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉 ∈ Word V ∧ 〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉 ∈ Word V) → ((〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉(Cycles‘(𝑁 gPetersenGr 1))〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉 ∧ (♯‘〈“{〈0, 0〉, 〈0, 1〉} {〈0, 1〉, 〈1, 1〉} {〈1, 1〉, 〈1, 0〉} {〈1, 0〉, 〈0, 0〉}”〉) = 4) → ∃𝑝∃𝑓(𝑓(Cycles‘(𝑁 gPetersenGr 1))𝑝 ∧ (♯‘𝑓) = 4))) |
| 14 | 3, 7, 13 | mpsyl 68 | 1 ⊢ (𝑁 ∈ (ℤ≥‘3) → ∃𝑝∃𝑓(𝑓(Cycles‘(𝑁 gPetersenGr 1))𝑝 ∧ (♯‘𝑓) = 4)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1542 ∃wex 1781 ∈ wcel 2114 Vcvv 3430 {cpr 4570 〈cop 4574 class class class wbr 5086 ‘cfv 6492 (class class class)co 7360 0cc0 11029 1c1 11030 3c3 12228 4c4 12229 ℤ≥cuz 12779 ♯chash 14283 Word cword 14466 〈“cs4 14796 〈“cs5 14797 Cyclesccycls 29868 gPetersenGr cgpg 48528 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5302 ax-pr 5370 ax-un 7682 ax-cnex 11085 ax-resscn 11086 ax-1cn 11087 ax-icn 11088 ax-addcl 11089 ax-addrcl 11090 ax-mulcl 11091 ax-mulrcl 11092 ax-mulcom 11093 ax-addass 11094 ax-mulass 11095 ax-distr 11096 ax-i2m1 11097 ax-1ne0 11098 ax-1rid 11099 ax-rnegex 11100 ax-rrecex 11101 ax-cnre 11102 ax-pre-lttri 11103 ax-pre-lttrn 11104 ax-pre-ltadd 11105 ax-pre-mulgt0 11106 ax-pre-sup 11107 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-ifp 1064 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7317 df-ov 7363 df-oprab 7364 df-mpo 7365 df-om 7811 df-1st 7935 df-2nd 7936 df-frecs 8224 df-wrecs 8255 df-recs 8304 df-rdg 8342 df-1o 8398 df-2o 8399 df-oadd 8402 df-er 8636 df-map 8768 df-pm 8769 df-en 8887 df-dom 8888 df-sdom 8889 df-fin 8890 df-sup 9348 df-inf 9349 df-dju 9816 df-card 9854 df-pnf 11172 df-mnf 11173 df-xr 11174 df-ltxr 11175 df-le 11176 df-sub 11370 df-neg 11371 df-div 11799 df-nn 12166 df-2 12235 df-3 12236 df-4 12237 df-5 12238 df-6 12239 df-7 12240 df-8 12241 df-9 12242 df-n0 12429 df-xnn0 12502 df-z 12516 df-dec 12636 df-uz 12780 df-rp 12934 df-ico 13295 df-fz 13453 df-fzo 13600 df-fl 13742 df-ceil 13743 df-mod 13820 df-hash 14284 df-word 14467 df-concat 14524 df-s1 14550 df-s2 14801 df-s3 14802 df-s4 14803 df-s5 14804 df-dvds 16213 df-struct 17108 df-slot 17143 df-ndx 17155 df-base 17171 df-edgf 29072 df-vtx 29081 df-iedg 29082 df-edg 29131 df-uhgr 29141 df-upgr 29165 df-uspgr 29233 df-usgr 29234 df-wlks 29683 df-trls 29774 df-pths 29797 df-cycls 29870 df-gpg 48529 |
| This theorem is referenced by: gpg5ngric 48616 |
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