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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 14806 | . . 3 ⊢ 〈“〈0, 0〉〈0, 1〉〈1, 1〉〈1, 0〉〈0, 0〉”〉 ∈ Word V | |
| 2 | s4cli 14805 | . . 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 48348 | . 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 5103 | . . . . 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 632 | . . 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 3553 | . 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 1541 ∃wex 1780 ∈ wcel 2113 Vcvv 3440 {cpr 4582 〈cop 4586 class class class wbr 5098 ‘cfv 6492 (class class class)co 7358 0cc0 11026 1c1 11027 3c3 12201 4c4 12202 ℤ≥cuz 12751 ♯chash 14253 Word cword 14436 〈“cs4 14766 〈“cs5 14767 Cyclesccycls 29858 gPetersenGr cgpg 48282 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-rep 5224 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-cnex 11082 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-addrcl 11087 ax-mulcl 11088 ax-mulrcl 11089 ax-mulcom 11090 ax-addass 11091 ax-mulass 11092 ax-distr 11093 ax-i2m1 11094 ax-1ne0 11095 ax-1rid 11096 ax-rnegex 11097 ax-rrecex 11098 ax-cnre 11099 ax-pre-lttri 11100 ax-pre-lttrn 11101 ax-pre-ltadd 11102 ax-pre-mulgt0 11103 ax-pre-sup 11104 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-ifp 1063 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 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 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-tp 4585 df-op 4587 df-uni 4864 df-int 4903 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 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 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7809 df-1st 7933 df-2nd 7934 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-1o 8397 df-2o 8398 df-oadd 8401 df-er 8635 df-map 8765 df-pm 8766 df-en 8884 df-dom 8885 df-sdom 8886 df-fin 8887 df-sup 9345 df-inf 9346 df-dju 9813 df-card 9851 df-pnf 11168 df-mnf 11169 df-xr 11170 df-ltxr 11171 df-le 11172 df-sub 11366 df-neg 11367 df-div 11795 df-nn 12146 df-2 12208 df-3 12209 df-4 12210 df-5 12211 df-6 12212 df-7 12213 df-8 12214 df-9 12215 df-n0 12402 df-xnn0 12475 df-z 12489 df-dec 12608 df-uz 12752 df-rp 12906 df-ico 13267 df-fz 13424 df-fzo 13571 df-fl 13712 df-ceil 13713 df-mod 13790 df-hash 14254 df-word 14437 df-concat 14494 df-s1 14520 df-s2 14771 df-s3 14772 df-s4 14773 df-s5 14774 df-dvds 16180 df-struct 17074 df-slot 17109 df-ndx 17121 df-base 17137 df-edgf 29062 df-vtx 29071 df-iedg 29072 df-edg 29121 df-uhgr 29131 df-upgr 29155 df-uspgr 29223 df-usgr 29224 df-wlks 29673 df-trls 29764 df-pths 29787 df-cycls 29860 df-gpg 48283 |
| This theorem is referenced by: gpg5ngric 48370 |
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