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Theorem grlicrel 48360
Description: The "is locally isomorphic to" relation for graphs is a relation. (Contributed by AV, 9-Jun-2025.)
Assertion
Ref Expression
grlicrel Rel ≃𝑙𝑔𝑟

Proof of Theorem grlicrel
StepHypRef Expression
1 df-grlic 48335 . . 3 𝑙𝑔𝑟 = ( GraphLocIso “ (V ∖ 1o))
2 cnvimass 6049 . . . 4 ( GraphLocIso “ (V ∖ 1o)) ⊆ dom GraphLocIso
3 grlimfn 48333 . . . . 5 GraphLocIso Fn (V × V)
43fndmi 6604 . . . 4 dom GraphLocIso = (V × V)
52, 4sseqtri 3984 . . 3 ( GraphLocIso “ (V ∖ 1o)) ⊆ (V × V)
61, 5eqsstri 3982 . 2 𝑙𝑔𝑟 ⊆ (V × V)
7 relxp 5650 . 2 Rel (V × V)
8 relss 5739 . 2 ( ≃𝑙𝑔𝑟 ⊆ (V × V) → (Rel (V × V) → Rel ≃𝑙𝑔𝑟 ))
96, 7, 8mp2 9 1 Rel ≃𝑙𝑔𝑟
Colors of variables: wff setvar class
Syntax hints:  Vcvv 3442  cdif 3900  wss 3903   × cxp 5630  ccnv 5631  dom cdm 5632  cima 5635  Rel wrel 5637  1oc1o 8400   GraphLocIso cgrlim 48330  𝑙𝑔𝑟 cgrlic 48331
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-sep 5243  ax-nul 5253  ax-pow 5312  ax-pr 5379  ax-un 7690
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3063  df-rab 3402  df-v 3444  df-sbc 3743  df-csb 3852  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-nul 4288  df-if 4482  df-pw 4558  df-sn 4583  df-pr 4585  df-op 4589  df-uni 4866  df-iun 4950  df-br 5101  df-opab 5163  df-mpt 5182  df-id 5527  df-xp 5638  df-rel 5639  df-cnv 5640  df-co 5641  df-dm 5642  df-rn 5643  df-res 5644  df-ima 5645  df-iota 6456  df-fun 6502  df-fn 6503  df-f 6504  df-f1 6505  df-f1o 6507  df-fv 6508  df-oprab 7372  df-mpo 7373  df-1st 7943  df-2nd 7944  df-grlim 48332  df-grlic 48335
This theorem is referenced by: (None)
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