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Theorem grlicrcl 48169
Description: Reverse closure of the "is locally isomorphic to" relation for graphs. (Contributed by AV, 9-Jun-2025.)
Assertion
Ref Expression
grlicrcl (𝐺𝑙𝑔𝑟 𝑆 → (𝐺 ∈ V ∧ 𝑆 ∈ V))

Proof of Theorem grlicrcl
StepHypRef Expression
1 brgrlic 48166 . 2 (𝐺𝑙𝑔𝑟 𝑆 ↔ (𝐺 GraphLocIso 𝑆) ≠ ∅)
2 grlimdmrel 48142 . . . 4 Rel dom GraphLocIso
32ovprc 7393 . . 3 (¬ (𝐺 ∈ V ∧ 𝑆 ∈ V) → (𝐺 GraphLocIso 𝑆) = ∅)
43necon1ai 2956 . 2 ((𝐺 GraphLocIso 𝑆) ≠ ∅ → (𝐺 ∈ V ∧ 𝑆 ∈ V))
51, 4sylbi 217 1 (𝐺𝑙𝑔𝑟 𝑆 → (𝐺 ∈ V ∧ 𝑆 ∈ V))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  wcel 2113  wne 2929  Vcvv 3437  c0 4282   class class class wbr 5095  (class class class)co 7355   GraphLocIso cgrlim 48138  𝑙𝑔𝑟 cgrlic 48139
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 2182  ax-ext 2705  ax-sep 5238  ax-nul 5248  ax-pow 5307  ax-pr 5374  ax-un 7677
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2537  df-eu 2566  df-clab 2712  df-cleq 2725  df-clel 2808  df-nfc 2882  df-ne 2930  df-ral 3049  df-rex 3058  df-rab 3397  df-v 3439  df-sbc 3738  df-csb 3847  df-dif 3901  df-un 3903  df-in 3905  df-ss 3915  df-nul 4283  df-if 4477  df-pw 4553  df-sn 4578  df-pr 4580  df-op 4584  df-uni 4861  df-iun 4945  df-br 5096  df-opab 5158  df-mpt 5177  df-id 5516  df-xp 5627  df-rel 5628  df-cnv 5629  df-co 5630  df-dm 5631  df-rn 5632  df-res 5633  df-ima 5634  df-suc 6320  df-iota 6445  df-fun 6491  df-fn 6492  df-f 6493  df-f1 6494  df-f1o 6496  df-fv 6497  df-ov 7358  df-oprab 7359  df-mpo 7360  df-1st 7930  df-2nd 7931  df-1o 8394  df-grlim 48140  df-grlic 48143
This theorem is referenced by:  grilcbri  48171  grlicsym  48175  grlictr  48177
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