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Theorem gricgrlic 48934
Description: Isomorphic hypergraphs are locally isomorphic. (Contributed by AV, 12-Jun-2025.) (Proof shortened by AV, 11-Jul-2025.)
Assertion
Ref Expression
gricgrlic ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → (𝐺𝑔𝑟 𝐻𝐺𝑙𝑔𝑟 𝐻))

Proof of Theorem gricgrlic
Dummy variable 𝑖 is distinct from all other variables.
StepHypRef Expression
1 brgric 48828 . . 3 (𝐺𝑔𝑟 𝐻 ↔ (𝐺 GraphIso 𝐻) ≠ ∅)
2 n0 4300 . . . 4 ((𝐺 GraphIso 𝐻) ≠ ∅ ↔ ∃𝑖 𝑖 ∈ (𝐺 GraphIso 𝐻))
3 uhgrimgrlim 48903 . . . . . . . 8 ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝑖 ∈ (𝐺 GraphIso 𝐻)) → 𝑖 ∈ (𝐺 GraphLocIso 𝐻))
4 brgrilci 48921 . . . . . . . 8 (𝑖 ∈ (𝐺 GraphLocIso 𝐻) → 𝐺𝑙𝑔𝑟 𝐻)
53, 4syl 18 . . . . . . 7 ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝑖 ∈ (𝐺 GraphIso 𝐻)) → 𝐺𝑙𝑔𝑟 𝐻)
653expa 1136 . . . . . 6 (((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) ∧ 𝑖 ∈ (𝐺 GraphIso 𝐻)) → 𝐺𝑙𝑔𝑟 𝐻)
76expcom 419 . . . . 5 (𝑖 ∈ (𝐺 GraphIso 𝐻) → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺𝑙𝑔𝑟 𝐻))
87exlimiv 1963 . . . 4 (∃𝑖 𝑖 ∈ (𝐺 GraphIso 𝐻) → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺𝑙𝑔𝑟 𝐻))
92, 8sylbi 220 . . 3 ((𝐺 GraphIso 𝐻) ≠ ∅ → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺𝑙𝑔𝑟 𝐻))
101, 9sylbi 220 . 2 (𝐺𝑔𝑟 𝐻 → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺𝑙𝑔𝑟 𝐻))
1110com12 33 1 ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → (𝐺𝑔𝑟 𝐻𝐺𝑙𝑔𝑟 𝐻))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wa 401  w3a 1103  wex 1812  wcel 2145  wne 2955  c0 4279   class class class wbr 5103  (class class class)co 7413  UHGraphcuhgr 29513   GraphIso cgrim 48791  𝑔𝑟 cgric 48792   GraphLocIso cgrlim 48892  𝑙𝑔𝑟 cgrlic 48893
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 2732  ax-rep 5232  ax-sep 5251  ax-nul 5263  ax-pow 5330  ax-pr 5398  ax-un 7736
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 2564  df-eu 2594  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-ral 3077  df-rex 3087  df-reu 3366  df-rab 3413  df-v 3452  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 5550  df-xp 5661  df-rel 5662  df-cnv 5663  df-co 5664  df-dm 5665  df-rn 5666  df-res 5667  df-ima 5668  df-suc 6363  df-iota 6489  df-fun 6535  df-fn 6536  df-f 6537  df-f1 6538  df-fo 6539  df-f1o 6540  df-fv 6541  df-ov 7416  df-oprab 7417  df-mpo 7418  df-1st 7986  df-2nd 7987  df-1o 8455  df-map 8828  df-vtx 29455  df-iedg 29456  df-edg 29505  df-uhgr 29515  df-clnbgr 48735  df-isubgr 48777  df-grim 48794  df-gric 48797  df-grlim 48894  df-grlic 48897
This theorem is used by: (None)
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