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Theorem gricgrlic 48264
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 48158 . . 3 (𝐺𝑔𝑟 𝐻 ↔ (𝐺 GraphIso 𝐻) ≠ ∅)
2 n0 4305 . . . 4 ((𝐺 GraphIso 𝐻) ≠ ∅ ↔ ∃𝑖 𝑖 ∈ (𝐺 GraphIso 𝐻))
3 uhgrimgrlim 48233 . . . . . . . 8 ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝑖 ∈ (𝐺 GraphIso 𝐻)) → 𝑖 ∈ (𝐺 GraphLocIso 𝐻))
4 brgrilci 48251 . . . . . . . 8 (𝑖 ∈ (𝐺 GraphLocIso 𝐻) → 𝐺𝑙𝑔𝑟 𝐻)
53, 4syl 17 . . . . . . 7 ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝑖 ∈ (𝐺 GraphIso 𝐻)) → 𝐺𝑙𝑔𝑟 𝐻)
653expa 1118 . . . . . 6 (((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) ∧ 𝑖 ∈ (𝐺 GraphIso 𝐻)) → 𝐺𝑙𝑔𝑟 𝐻)
76expcom 413 . . . . 5 (𝑖 ∈ (𝐺 GraphIso 𝐻) → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺𝑙𝑔𝑟 𝐻))
87exlimiv 1931 . . . 4 (∃𝑖 𝑖 ∈ (𝐺 GraphIso 𝐻) → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺𝑙𝑔𝑟 𝐻))
92, 8sylbi 217 . . 3 ((𝐺 GraphIso 𝐻) ≠ ∅ → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺𝑙𝑔𝑟 𝐻))
101, 9sylbi 217 . 2 (𝐺𝑔𝑟 𝐻 → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺𝑙𝑔𝑟 𝐻))
1110com12 32 1 ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → (𝐺𝑔𝑟 𝐻𝐺𝑙𝑔𝑟 𝐻))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  w3a 1086  wex 1780  wcel 2113  wne 2932  c0 4285   class class class wbr 5098  (class class class)co 7358  UHGraphcuhgr 29129   GraphIso cgrim 48121  𝑔𝑟 cgric 48122   GraphLocIso cgrlim 48222  𝑙𝑔𝑟 cgrlic 48223
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-rep 5224  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-reu 3351  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-suc 6323  df-iota 6448  df-fun 6494  df-fn 6495  df-f 6496  df-f1 6497  df-fo 6498  df-f1o 6499  df-fv 6500  df-ov 7361  df-oprab 7362  df-mpo 7363  df-1st 7933  df-2nd 7934  df-1o 8397  df-map 8765  df-vtx 29071  df-iedg 29072  df-edg 29121  df-uhgr 29131  df-clnbgr 48065  df-isubgr 48107  df-grim 48124  df-gric 48127  df-grlim 48224  df-grlic 48227
This theorem is referenced by: (None)
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