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Theorem grlicrel 48248
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 48223 . . 3 𝑙𝑔𝑟 = ( GraphLocIso “ (V ∖ 1o))
2 cnvimass 6041 . . . 4 ( GraphLocIso “ (V ∖ 1o)) ⊆ dom GraphLocIso
3 grlimfn 48221 . . . . 5 GraphLocIso Fn (V × V)
43fndmi 6596 . . . 4 dom GraphLocIso = (V × V)
52, 4sseqtri 3982 . . 3 ( GraphLocIso “ (V ∖ 1o)) ⊆ (V × V)
61, 5eqsstri 3980 . 2 𝑙𝑔𝑟 ⊆ (V × V)
7 relxp 5642 . 2 Rel (V × V)
8 relss 5731 . 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 3440  cdif 3898  wss 3901   × cxp 5622  ccnv 5623  dom cdm 5624  cima 5627  Rel wrel 5629  1oc1o 8390   GraphLocIso cgrlim 48218  𝑙𝑔𝑟 cgrlic 48219
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 2184  ax-ext 2708  ax-sep 5241  ax-nul 5251  ax-pow 5310  ax-pr 5377  ax-un 7680
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 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2933  df-ral 3052  df-rex 3061  df-rab 3400  df-v 3442  df-sbc 3741  df-csb 3850  df-dif 3904  df-un 3906  df-in 3908  df-ss 3918  df-nul 4286  df-if 4480  df-pw 4556  df-sn 4581  df-pr 4583  df-op 4587  df-uni 4864  df-iun 4948  df-br 5099  df-opab 5161  df-mpt 5180  df-id 5519  df-xp 5630  df-rel 5631  df-cnv 5632  df-co 5633  df-dm 5634  df-rn 5635  df-res 5636  df-ima 5637  df-iota 6448  df-fun 6494  df-fn 6495  df-f 6496  df-f1 6497  df-f1o 6499  df-fv 6500  df-oprab 7362  df-mpo 7363  df-1st 7933  df-2nd 7934  df-grlim 48220  df-grlic 48223
This theorem is referenced by: (None)
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