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Theorem usgrlimprop 48484
Description: Properties of a local isomorphism of simple pseudographs. (Contributed by AV, 17-Aug-2025.)
Hypotheses
Ref Expression
usgrlimprop.v 𝑉 = (Vtx‘𝐺)
usgrlimprop.w 𝑊 = (Vtx‘𝐻)
usgrlimprop.n 𝑁 = (𝐺 ClNeighbVtx 𝑣)
usgrlimprop.m 𝑀 = (𝐻 ClNeighbVtx (𝐹𝑣))
usgrlimprop.i 𝐼 = (Edg‘𝐺)
usgrlimprop.j 𝐽 = (Edg‘𝐻)
usgrlimprop.k 𝐾 = {𝑥𝐼𝑥𝑁}
usgrlimprop.l 𝐿 = {𝑥𝐽𝑥𝑀}
Assertion
Ref Expression
usgrlimprop ((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻)) → (𝐹:𝑉1-1-onto𝑊 ∧ ∀𝑣𝑉𝑓(𝑓:𝑁1-1-onto𝑀 ∧ ∃𝑔(𝑔:𝐾1-1-onto𝐿 ∧ ∀𝑒𝐾 (𝑓𝑒) = (𝑔𝑒)))))
Distinct variable groups:   𝑓,𝐹,𝑣   𝑒,𝐺,𝑓,𝑔,𝑣,𝑥   𝑒,𝐻,𝑓,𝑔,𝑣,𝑥   𝑥,𝐼   𝑥,𝐽   𝑒,𝐾,𝑔,𝑥   𝑔,𝐿,𝑥   𝑒,𝑀,𝑓,𝑔,𝑥   𝑒,𝑁,𝑓,𝑔,𝑥   𝑣,𝑉
Allowed substitution hints:   𝐹(𝑥,𝑒,𝑔)   𝐼(𝑣,𝑒,𝑓,𝑔)   𝐽(𝑣,𝑒,𝑓,𝑔)   𝐾(𝑣,𝑓)   𝐿(𝑣,𝑒,𝑓)   𝑀(𝑣)   𝑁(𝑣)   𝑉(𝑥,𝑒,𝑓,𝑔)   𝑊(𝑥,𝑣,𝑒,𝑓,𝑔)

Proof of Theorem usgrlimprop
StepHypRef Expression
1 simp3 1144 . 2 ((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻)) → 𝐹 ∈ (𝐺 GraphLocIso 𝐻))
2 usgrlimprop.v . . 3 𝑉 = (Vtx‘𝐺)
3 usgrlimprop.w . . 3 𝑊 = (Vtx‘𝐻)
4 usgrlimprop.n . . 3 𝑁 = (𝐺 ClNeighbVtx 𝑣)
5 usgrlimprop.m . . 3 𝑀 = (𝐻 ClNeighbVtx (𝐹𝑣))
6 usgrlimprop.i . . 3 𝐼 = (Edg‘𝐺)
7 usgrlimprop.j . . 3 𝐽 = (Edg‘𝐻)
8 usgrlimprop.k . . 3 𝐾 = {𝑥𝐼𝑥𝑁}
9 usgrlimprop.l . . 3 𝐿 = {𝑥𝐽𝑥𝑀}
102, 3, 4, 5, 6, 7, 8, 9uspgrlim 48483 . 2 ((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻)) → (𝐹 ∈ (𝐺 GraphLocIso 𝐻) ↔ (𝐹:𝑉1-1-onto𝑊 ∧ ∀𝑣𝑉𝑓(𝑓:𝑁1-1-onto𝑀 ∧ ∃𝑔(𝑔:𝐾1-1-onto𝐿 ∧ ∀𝑒𝐾 (𝑓𝑒) = (𝑔𝑒))))))
111, 10mpbid 233 1 ((𝐺 ∈ USPGraph ∧ 𝐻 ∈ USPGraph ∧ 𝐹 ∈ (𝐺 GraphLocIso 𝐻)) → (𝐹:𝑉1-1-onto𝑊 ∧ ∀𝑣𝑉𝑓(𝑓:𝑁1-1-onto𝑀 ∧ ∃𝑔(𝑔:𝐾1-1-onto𝐿 ∧ ∀𝑒𝐾 (𝑓𝑒) = (𝑔𝑒)))))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 396  w3a 1092   = wceq 1547  wex 1786  wcel 2119  wral 3053  {crab 3391  wss 3883  cima 5621  1-1-ontowf1o 6484  cfv 6485  (class class class)co 7356  Vtxcvtx 29083  Edgcedg 29134  USPGraphcuspgr 29235   ClNeighbVtx cclnbgr 48309   GraphLocIso cgrlim 48467
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-sep 5218  ax-nul 5228  ax-pow 5294  ax-pr 5362  ax-un 7678
This theorem depends on definitions:  df-bi 208  df-an 397  df-or 854  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-ral 3054  df-rex 3064  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-nul 4262  df-if 4455  df-pw 4531  df-sn 4556  df-pr 4558  df-op 4562  df-uni 4839  df-iun 4923  df-br 5073  df-opab 5135  df-mpt 5154  df-id 5513  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-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-ov 7359  df-oprab 7360  df-mpo 7361  df-1st 7931  df-2nd 7932  df-1o 8395  df-map 8765  df-vtx 29085  df-iedg 29086  df-edg 29135  df-uspgr 29237  df-clnbgr 48310  df-isubgr 48352  df-grim 48369  df-gric 48372  df-grlim 48469
This theorem is referenced by:  grlimedgclnbgr  48486  grlimgrtri  48494
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