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| Mirrors > Home > MPE Home > Th. List > Mathboxes > usgrexmpl12ngrlic | Structured version Visualization version GIF version | ||
| Description: The graphs 𝐻 and 𝐺 are not locally isomorphic (𝐻 contains a triangle, see usgrexmpl1tri 49217, whereas 𝐺 does not, see usgrexmpl2trifr 49229. (Contributed by AV, 24-Aug-2025.) |
| Ref | Expression |
|---|---|
| usgrexmpl2.v | ⊢ 𝑉 = (0...5) |
| usgrexmpl2.e | ⊢ 𝐸 = 〈“{0, 1} {1, 2} {2, 3} {3, 4} {4, 5} {0, 3} {0, 5}”〉 |
| usgrexmpl2.g | ⊢ 𝐺 = 〈𝑉, 𝐸〉 |
| usgrexmpl1.k | ⊢ 𝐾 = 〈“{0, 1} {0, 2} {1, 2} {0, 3} {3, 4} {3, 5} {4, 5}”〉 |
| usgrexmpl1.h | ⊢ 𝐻 = 〈𝑉, 𝐾〉 |
| Ref | Expression |
|---|---|
| usgrexmpl12ngrlic | ⊢ ¬ 𝐺 ≃𝑙𝑔𝑟 𝐻 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | usgrexmpl2.v | . . . . 5 ⊢ 𝑉 = (0...5) | |
| 2 | usgrexmpl2.e | . . . . 5 ⊢ 𝐸 = 〈“{0, 1} {1, 2} {2, 3} {3, 4} {4, 5} {0, 3} {0, 5}”〉 | |
| 3 | usgrexmpl2.g | . . . . 5 ⊢ 𝐺 = 〈𝑉, 𝐸〉 | |
| 4 | 1, 2, 3 | usgrexmpl2 49219 | . . . 4 ⊢ 𝐺 ∈ USGraph |
| 5 | usgruhgr 29773 | . . . 4 ⊢ (𝐺 ∈ USGraph → 𝐺 ∈ UHGraph) | |
| 6 | grlicsym 49205 | . . . 4 ⊢ (𝐺 ∈ UHGraph → (𝐺 ≃𝑙𝑔𝑟 𝐻 → 𝐻 ≃𝑙𝑔𝑟 𝐺)) | |
| 7 | 4, 5, 6 | mp2b 10 | . . 3 ⊢ (𝐺 ≃𝑙𝑔𝑟 𝐻 → 𝐻 ≃𝑙𝑔𝑟 𝐺) |
| 8 | usgrexmpl1.k | . . . 4 ⊢ 𝐾 = 〈“{0, 1} {0, 2} {1, 2} {0, 3} {3, 4} {3, 5} {4, 5}”〉 | |
| 9 | usgrexmpl1.h | . . . 4 ⊢ 𝐻 = 〈𝑉, 𝐾〉 | |
| 10 | 1, 8, 9 | usgrexmpl1tri 49217 | . . 3 ⊢ {0, 1, 2} ∈ (GrTriangles‘𝐻) |
| 11 | brgrlic 49196 | . . . . 5 ⊢ (𝐻 ≃𝑙𝑔𝑟 𝐺 ↔ (𝐻 GraphLocIso 𝐺) ≠ ∅) | |
| 12 | n0 4299 | . . . . 5 ⊢ ((𝐻 GraphLocIso 𝐺) ≠ ∅ ↔ ∃𝑓 𝑓 ∈ (𝐻 GraphLocIso 𝐺)) | |
| 13 | 11, 12 | bitri 278 | . . . 4 ⊢ (𝐻 ≃𝑙𝑔𝑟 𝐺 ↔ ∃𝑓 𝑓 ∈ (𝐻 GraphLocIso 𝐺)) |
| 14 | 1, 2, 3 | usgrexmpl2trifr 49229 | . . . . . 6 ⊢ ¬ ∃𝑡 𝑡 ∈ (GrTriangles‘𝐺) |
| 15 | 1, 8, 9 | usgrexmpl1 49214 | . . . . . . . . 9 ⊢ 𝐻 ∈ USGraph |
| 16 | usgruspgr 29767 | . . . . . . . . 9 ⊢ (𝐻 ∈ USGraph → 𝐻 ∈ USPGraph) | |
| 17 | 15, 16 | mp1i 14 | . . . . . . . 8 ⊢ ((𝑓 ∈ (𝐻 GraphLocIso 𝐺) ∧ {0, 1, 2} ∈ (GrTriangles‘𝐻)) → 𝐻 ∈ USPGraph) |
| 18 | usgruspgr 29767 | . . . . . . . . 9 ⊢ (𝐺 ∈ USGraph → 𝐺 ∈ USPGraph) | |
| 19 | 4, 18 | mp1i 14 | . . . . . . . 8 ⊢ ((𝑓 ∈ (𝐻 GraphLocIso 𝐺) ∧ {0, 1, 2} ∈ (GrTriangles‘𝐻)) → 𝐺 ∈ USPGraph) |
| 20 | simpl 488 | . . . . . . . 8 ⊢ ((𝑓 ∈ (𝐻 GraphLocIso 𝐺) ∧ {0, 1, 2} ∈ (GrTriangles‘𝐻)) → 𝑓 ∈ (𝐻 GraphLocIso 𝐺)) | |
| 21 | simpr 490 | . . . . . . . 8 ⊢ ((𝑓 ∈ (𝐻 GraphLocIso 𝐺) ∧ {0, 1, 2} ∈ (GrTriangles‘𝐻)) → {0, 1, 2} ∈ (GrTriangles‘𝐻)) | |
| 22 | 17, 19, 20, 21 | grlimgrtri 49195 | . . . . . . 7 ⊢ ((𝑓 ∈ (𝐻 GraphLocIso 𝐺) ∧ {0, 1, 2} ∈ (GrTriangles‘𝐻)) → ∃𝑡 𝑡 ∈ (GrTriangles‘𝐺)) |
| 23 | 22 | ex 418 | . . . . . 6 ⊢ (𝑓 ∈ (𝐻 GraphLocIso 𝐺) → ({0, 1, 2} ∈ (GrTriangles‘𝐻) → ∃𝑡 𝑡 ∈ (GrTriangles‘𝐺))) |
| 24 | pm2.21 124 | . . . . . 6 ⊢ (¬ ∃𝑡 𝑡 ∈ (GrTriangles‘𝐺) → (∃𝑡 𝑡 ∈ (GrTriangles‘𝐺) → ¬ 𝐺 ≃𝑙𝑔𝑟 𝐻)) | |
| 25 | 14, 23, 24 | mpsylsyld 70 | . . . . 5 ⊢ (𝑓 ∈ (𝐻 GraphLocIso 𝐺) → ({0, 1, 2} ∈ (GrTriangles‘𝐻) → ¬ 𝐺 ≃𝑙𝑔𝑟 𝐻)) |
| 26 | 25 | exlimiv 1962 | . . . 4 ⊢ (∃𝑓 𝑓 ∈ (𝐻 GraphLocIso 𝐺) → ({0, 1, 2} ∈ (GrTriangles‘𝐻) → ¬ 𝐺 ≃𝑙𝑔𝑟 𝐻)) |
| 27 | 13, 26 | sylbi 220 | . . 3 ⊢ (𝐻 ≃𝑙𝑔𝑟 𝐺 → ({0, 1, 2} ∈ (GrTriangles‘𝐻) → ¬ 𝐺 ≃𝑙𝑔𝑟 𝐻)) |
| 28 | 7, 10, 27 | mpisyl 22 | . 2 ⊢ (𝐺 ≃𝑙𝑔𝑟 𝐻 → ¬ 𝐺 ≃𝑙𝑔𝑟 𝐻) |
| 29 | 28 | pm2.01i 191 | 1 ⊢ ¬ 𝐺 ≃𝑙𝑔𝑟 𝐻 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∧ wa 401 = wceq 1569 ∃wex 1811 ∈ wcel 2144 ≠ wne 2955 ∅c0 4278 {cpr 4586 {ctp 4588 〈cop 4834 class class class wbr 5102 ‘cfv 6539 (class class class)co 7421 0cc0 11204 1c1 11205 2c2 12401 3c3 12402 4c4 12403 5c5 12404 ...cfz 13643 〈“cs7 15002 UHGraphcuhgr 29640 USPGraphcuspgr 29735 USGraphcusgr 29736 GrTrianglescgrtri 49129 GraphLocIso cgrlim 49168 ≃𝑙𝑔𝑟 cgrlic 49169 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-cnex 11260 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 ax-pre-mulgt0 11281 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-int 4907 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-om 7879 df-1st 8002 df-2nd 8003 df-frecs 8303 df-wrecs 8334 df-recs 8383 df-rdg 8422 df-1o 8480 df-2o 8481 df-3o 8482 df-oadd 8484 df-er 8721 df-map 8853 df-en 8978 df-dom 8979 df-sdom 8980 df-fin 8981 df-dju 9986 df-card 10024 df-pnf 11349 df-mnf 11350 df-xr 11351 df-ltxr 11352 df-le 11353 df-sub 11547 df-neg 11548 df-nn 12340 df-2 12409 df-3 12410 df-4 12411 df-5 12412 df-6 12413 df-7 12414 df-n0 12611 df-xnn0 12684 df-z 12698 df-uz 12970 df-fz 13644 df-fzo 13793 df-hash 14479 df-word 14663 df-concat 14720 df-s1 14747 df-s2 15004 df-s3 15005 df-s4 15006 df-s5 15007 df-s6 15008 df-s7 15009 df-vtx 29582 df-iedg 29583 df-edg 29632 df-uhgr 29642 df-upgr 29666 df-umgr 29667 df-uspgr 29737 df-usgr 29738 df-nbgr 29920 df-clnbgr 49011 df-isubgr 49053 df-grim 49070 df-gric 49073 df-grtri 49130 df-grlim 49170 df-grlic 49173 |
| This theorem is used by: (None) |
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