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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 48516, whereas 𝐺 does not, see usgrexmpl2trifr 48528. (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 48518 | . . . 4 ⊢ 𝐺 ∈ USGraph |
| 5 | usgruhgr 29273 | . . . 4 ⊢ (𝐺 ∈ USGraph → 𝐺 ∈ UHGraph) | |
| 6 | grlicsym 48504 | . . . 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 48516 | . . 3 ⊢ {0, 1, 2} ∈ (GrTriangles‘𝐻) |
| 11 | brgrlic 48495 | . . . . 5 ⊢ (𝐻 ≃𝑙𝑔𝑟 𝐺 ↔ (𝐻 GraphLocIso 𝐺) ≠ ∅) | |
| 12 | n0 4281 | . . . . 5 ⊢ ((𝐻 GraphLocIso 𝐺) ≠ ∅ ↔ ∃𝑓 𝑓 ∈ (𝐻 GraphLocIso 𝐺)) | |
| 13 | 11, 12 | bitri 276 | . . . 4 ⊢ (𝐻 ≃𝑙𝑔𝑟 𝐺 ↔ ∃𝑓 𝑓 ∈ (𝐻 GraphLocIso 𝐺)) |
| 14 | 1, 2, 3 | usgrexmpl2trifr 48528 | . . . . . 6 ⊢ ¬ ∃𝑡 𝑡 ∈ (GrTriangles‘𝐺) |
| 15 | 1, 8, 9 | usgrexmpl1 48513 | . . . . . . . . 9 ⊢ 𝐻 ∈ USGraph |
| 16 | usgruspgr 29267 | . . . . . . . . 9 ⊢ (𝐻 ∈ USGraph → 𝐻 ∈ USPGraph) | |
| 17 | 15, 16 | mp1i 13 | . . . . . . . 8 ⊢ ((𝑓 ∈ (𝐻 GraphLocIso 𝐺) ∧ {0, 1, 2} ∈ (GrTriangles‘𝐻)) → 𝐻 ∈ USPGraph) |
| 18 | usgruspgr 29267 | . . . . . . . . 9 ⊢ (𝐺 ∈ USGraph → 𝐺 ∈ USPGraph) | |
| 19 | 4, 18 | mp1i 13 | . . . . . . . 8 ⊢ ((𝑓 ∈ (𝐻 GraphLocIso 𝐺) ∧ {0, 1, 2} ∈ (GrTriangles‘𝐻)) → 𝐺 ∈ USPGraph) |
| 20 | simpl 483 | . . . . . . . 8 ⊢ ((𝑓 ∈ (𝐻 GraphLocIso 𝐺) ∧ {0, 1, 2} ∈ (GrTriangles‘𝐻)) → 𝑓 ∈ (𝐻 GraphLocIso 𝐺)) | |
| 21 | simpr 485 | . . . . . . . 8 ⊢ ((𝑓 ∈ (𝐻 GraphLocIso 𝐺) ∧ {0, 1, 2} ∈ (GrTriangles‘𝐻)) → {0, 1, 2} ∈ (GrTriangles‘𝐻)) | |
| 22 | 17, 19, 20, 21 | grlimgrtri 48494 | . . . . . . 7 ⊢ ((𝑓 ∈ (𝐻 GraphLocIso 𝐺) ∧ {0, 1, 2} ∈ (GrTriangles‘𝐻)) → ∃𝑡 𝑡 ∈ (GrTriangles‘𝐺)) |
| 23 | 22 | ex 413 | . . . . . 6 ⊢ (𝑓 ∈ (𝐻 GraphLocIso 𝐺) → ({0, 1, 2} ∈ (GrTriangles‘𝐻) → ∃𝑡 𝑡 ∈ (GrTriangles‘𝐺))) |
| 24 | pm2.21 123 | . . . . . 6 ⊢ (¬ ∃𝑡 𝑡 ∈ (GrTriangles‘𝐺) → (∃𝑡 𝑡 ∈ (GrTriangles‘𝐺) → ¬ 𝐺 ≃𝑙𝑔𝑟 𝐻)) | |
| 25 | 14, 23, 24 | mpsylsyld 69 | . . . . 5 ⊢ (𝑓 ∈ (𝐻 GraphLocIso 𝐺) → ({0, 1, 2} ∈ (GrTriangles‘𝐻) → ¬ 𝐺 ≃𝑙𝑔𝑟 𝐻)) |
| 26 | 25 | exlimiv 1937 | . . . 4 ⊢ (∃𝑓 𝑓 ∈ (𝐻 GraphLocIso 𝐺) → ({0, 1, 2} ∈ (GrTriangles‘𝐻) → ¬ 𝐺 ≃𝑙𝑔𝑟 𝐻)) |
| 27 | 13, 26 | sylbi 218 | . . 3 ⊢ (𝐻 ≃𝑙𝑔𝑟 𝐺 → ({0, 1, 2} ∈ (GrTriangles‘𝐻) → ¬ 𝐺 ≃𝑙𝑔𝑟 𝐻)) |
| 28 | 7, 10, 27 | mpisyl 21 | . 2 ⊢ (𝐺 ≃𝑙𝑔𝑟 𝐻 → ¬ 𝐺 ≃𝑙𝑔𝑟 𝐻) |
| 29 | 28 | pm2.01i 190 | 1 ⊢ ¬ 𝐺 ≃𝑙𝑔𝑟 𝐻 |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 396 = wceq 1547 ∃wex 1786 ∈ wcel 2119 ≠ wne 2934 ∅c0 4261 {cpr 4557 {ctp 4559 〈cop 4561 class class class wbr 5072 ‘cfv 6485 (class class class)co 7356 0cc0 11029 1c1 11030 2c2 12227 3c3 12228 4c4 12229 5c5 12230 ...cfz 13452 〈“cs7 14799 UHGraphcuhgr 29143 USPGraphcuspgr 29235 USGraphcusgr 29236 GrTrianglescgrtri 48428 GraphLocIso cgrlim 48467 ≃𝑙𝑔𝑟 cgrlic 48468 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-rep 5199 ax-sep 5218 ax-nul 5228 ax-pow 5294 ax-pr 5362 ax-un 7678 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 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3or 1093 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-nel 3039 df-ral 3054 df-rex 3064 df-reu 3345 df-rab 3392 df-v 3433 df-sbc 3724 df-csb 3832 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3903 df-nul 4262 df-if 4455 df-pw 4531 df-sn 4556 df-pr 4558 df-tp 4560 df-op 4562 df-uni 4839 df-int 4878 df-iun 4923 df-br 5073 df-opab 5135 df-mpt 5154 df-tr 5180 df-id 5513 df-eprel 5518 df-po 5526 df-so 5527 df-fr 5571 df-we 5573 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-pred 6252 df-ord 6313 df-on 6314 df-lim 6315 df-suc 6316 df-iota 6441 df-fun 6487 df-fn 6488 df-f 6489 df-f1 6490 df-fo 6491 df-f1o 6492 df-fv 6493 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-om 7807 df-1st 7931 df-2nd 7932 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-1o 8395 df-2o 8396 df-3o 8397 df-oadd 8399 df-er 8633 df-map 8765 df-en 8884 df-dom 8885 df-sdom 8886 df-fin 8887 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-nn 12166 df-2 12235 df-3 12236 df-4 12237 df-5 12238 df-6 12239 df-7 12240 df-n0 12429 df-xnn0 12502 df-z 12516 df-uz 12780 df-fz 13453 df-fzo 13600 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-s6 14805 df-s7 14806 df-vtx 29085 df-iedg 29086 df-edg 29135 df-uhgr 29145 df-upgr 29169 df-umgr 29170 df-uspgr 29237 df-usgr 29238 df-nbgr 29420 df-clnbgr 48310 df-isubgr 48352 df-grim 48369 df-gric 48372 df-grtri 48429 df-grlim 48469 df-grlic 48472 |
| This theorem is referenced by: (None) |
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