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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 14845 | . . 3 ⊢ 〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉 ∈ Word V | |
| 2 | s4cli 14844 | . . 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 2736 | . . 3 ⊢ 〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉 = 〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉 | |
| 5 | eqid 2736 | . . 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 2736 | . . 3 ⊢ (𝑁 gPetersenGr 1) = (𝑁 gPetersenGr 1) | |
| 7 | 4, 5, 6 | gpgprismgr4cycl0 48582 | . 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 5090 | . . . . 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 6849 | . . . . 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 3541 | . 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 3429 {cpr 4569 〈cop 4573 class class class wbr 5085 ‘cfv 6498 (class class class)co 7367 0cc0 11038 1c1 11039 3c3 12237 4c4 12238 ℤ≥cuz 12788 ♯chash 14292 Word cword 14475 〈“cs4 14805 〈“cs5 14806 Cyclesccycls 29853 gPetersenGr cgpg 48516 |
| 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 2708 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 ax-pre-sup 11116 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-rmo 3342 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4851 df-int 4890 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-1st 7942 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-1o 8405 df-2o 8406 df-oadd 8409 df-er 8643 df-map 8775 df-pm 8776 df-en 8894 df-dom 8895 df-sdom 8896 df-fin 8897 df-sup 9355 df-inf 9356 df-dju 9825 df-card 9863 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-div 11808 df-nn 12175 df-2 12244 df-3 12245 df-4 12246 df-5 12247 df-6 12248 df-7 12249 df-8 12250 df-9 12251 df-n0 12438 df-xnn0 12511 df-z 12525 df-dec 12645 df-uz 12789 df-rp 12943 df-ico 13304 df-fz 13462 df-fzo 13609 df-fl 13751 df-ceil 13752 df-mod 13829 df-hash 14293 df-word 14476 df-concat 14533 df-s1 14559 df-s2 14810 df-s3 14811 df-s4 14812 df-s5 14813 df-dvds 16222 df-struct 17117 df-slot 17152 df-ndx 17164 df-base 17180 df-edgf 29058 df-vtx 29067 df-iedg 29068 df-edg 29117 df-uhgr 29127 df-upgr 29151 df-uspgr 29219 df-usgr 29220 df-wlks 29668 df-trls 29759 df-pths 29782 df-cycls 29855 df-gpg 48517 |
| This theorem is referenced by: gpg5ngric 48604 |
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