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Theorem grlicrel 48754
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 48729 . . 3 𝑙𝑔𝑟 = ( GraphLocIso “ (V ∖ 1o))
2 cnvimass 6086 . . . 4 ( GraphLocIso “ (V ∖ 1o)) ⊆ dom GraphLocIso
3 grlimfn 48727 . . . . 5 GraphLocIso Fn (V × V)
43fndmi 6641 . . . 4 dom GraphLocIso = (V × V)
52, 4sseqtri 3986 . . 3 ( GraphLocIso “ (V ∖ 1o)) ⊆ (V × V)
61, 5eqsstri 3984 . 2 𝑙𝑔𝑟 ⊆ (V × V)
7 relxp 5681 . 2 Rel (V × V)
8 relss 5770 . 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 3455  cdif 3903  wss 3906   × cxp 5661  ccnv 5662  dom cdm 5663  cima 5666  Rel wrel 5668  1oc1o 8447   GraphLocIso cgrlim 48724  𝑙𝑔𝑟 cgrlic 48725
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1825  ax-4 1839  ax-5 1940  ax-6 1997  ax-7 2038  ax-8 2145  ax-9 2153  ax-10 2176  ax-11 2192  ax-12 2213  ax-ext 2735  ax-sep 5258  ax-nul 5270  ax-pow 5338  ax-pr 5406  ax-un 7734
This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1810  df-nf 1814  df-sb 2097  df-mo 2567  df-eu 2597  df-clab 2742  df-cleq 2755  df-clel 2838  df-nfc 2912  df-ne 2959  df-ral 3080  df-rex 3090  df-rab 3417  df-v 3457  df-sbc 3746  df-csb 3855  df-dif 3909  df-un 3911  df-in 3913  df-ss 3923  df-nul 4288  df-if 4489  df-pw 4565  df-sn 4591  df-pr 4593  df-op 4597  df-uni 4874  df-iun 4959  df-br 5111  df-opab 5175  df-mpt 5194  df-id 5558  df-xp 5669  df-rel 5670  df-cnv 5671  df-co 5672  df-dm 5673  df-rn 5674  df-res 5675  df-ima 5676  df-iota 6494  df-fun 6540  df-fn 6541  df-f 6542  df-f1 6543  df-f1o 6545  df-fv 6546  df-oprab 7416  df-mpo 7417  df-1st 7987  df-2nd 7988  df-grlim 48726  df-grlic 48729
This theorem is referenced by: (None)
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