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Theorem grlicrel 49048
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 49023 . . 3 ≃𝑙𝑔𝑟 = (◡ GraphLocIso “ (V ∖ 1o))
2 cnvimass 6076 . . . 4 (◡ GraphLocIso “ (V ∖ 1o)) ⊆ dom GraphLocIso
3 grlimfn 49021 . . . . 5 GraphLocIso Fn (V × V)
43fndmi 6635 . . . 4 dom GraphLocIso = (V × V)
52, 4sseqtri 3979 . . 3 (◡ GraphLocIso “ (V ∖ 1o)) ⊆ (V × V)
61, 5eqsstri 3977 . 2 ≃𝑙𝑔𝑟 ⊆ (V × V)
7 relxp 5669 . 2 Rel (V × V)
8 relss 5758 . 2 ( ≃𝑙𝑔𝑟 ⊆ (V × V) → (Rel (V × V) → Rel ≃𝑙𝑔𝑟 ))
96, 7, 8mp2 9 1 Rel ≃𝑙𝑔𝑟
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  Vcvv 3451   ∖ cdif 3896   ⊆ wss 3899   × cxp 5649  ◡ccnv 5650  dom cdm 5651   “ cima 5654  Rel wrel 5656  1oc1o 8453   GraphLocIso cgrlim 49018   ≃𝑙𝑔𝑟 cgrlic 49019
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2733  ax-sep 5249  ax-nul 5260  ax-pow 5327  ax-pr 5391  ax-un 7740
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-ral 3078  df-rex 3088  df-rab 3414  df-v 3453  df-sbc 3740  df-csb 3848  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4280  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-iun 4953  df-br 5104  df-opab 5168  df-mpt 5187  df-id 5546  df-xp 5657  df-rel 5658  df-cnv 5659  df-co 5660  df-dm 5661  df-rn 5662  df-res 5663  df-ima 5664  df-iota 6487  df-fun 6533  df-fn 6534  df-f 6535  df-f1 6536  df-f1o 6538  df-fv 6539  df-oprab 7416  df-mpo 7417  df-1st 7990  df-2nd 7991  df-grlim 49020  df-grlic 49023
This theorem is used by: (None)
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