Users' Mathboxes Mathbox for Alexander van der Vekens < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  gricgrlic Structured version   Visualization version   GIF version

Theorem gricgrlic 48000
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 47902 . . 3 (𝐺𝑔𝑟 𝐻 ↔ (𝐺 GraphIso 𝐻) ≠ ∅)
2 n0 4318 . . . 4 ((𝐺 GraphIso 𝐻) ≠ ∅ ↔ ∃𝑖 𝑖 ∈ (𝐺 GraphIso 𝐻))
3 uhgrimgrlim 47976 . . . . . . . 8 ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝑖 ∈ (𝐺 GraphIso 𝐻)) → 𝑖 ∈ (𝐺 GraphLocIso 𝐻))
4 brgrilci 47987 . . . . . . . 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 1930 . . . 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 1779  wcel 2109  wne 2926  c0 4298   class class class wbr 5109  (class class class)co 7389  UHGraphcuhgr 28989   GraphIso cgrim 47865  𝑔𝑟 cgric 47866   GraphLocIso cgrlim 47965  𝑙𝑔𝑟 cgrlic 47966
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2702  ax-rep 5236  ax-sep 5253  ax-nul 5263  ax-pow 5322  ax-pr 5389  ax-un 7713
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2534  df-eu 2563  df-clab 2709  df-cleq 2722  df-clel 2804  df-nfc 2879  df-ne 2927  df-ral 3046  df-rex 3055  df-reu 3357  df-rab 3409  df-v 3452  df-sbc 3756  df-csb 3865  df-dif 3919  df-un 3921  df-in 3923  df-ss 3933  df-nul 4299  df-if 4491  df-pw 4567  df-sn 4592  df-pr 4594  df-op 4598  df-uni 4874  df-iun 4959  df-br 5110  df-opab 5172  df-mpt 5191  df-id 5535  df-xp 5646  df-rel 5647  df-cnv 5648  df-co 5649  df-dm 5650  df-rn 5651  df-res 5652  df-ima 5653  df-suc 6340  df-iota 6466  df-fun 6515  df-fn 6516  df-f 6517  df-f1 6518  df-fo 6519  df-f1o 6520  df-fv 6521  df-ov 7392  df-oprab 7393  df-mpo 7394  df-1st 7970  df-2nd 7971  df-1o 8436  df-map 8803  df-vtx 28931  df-iedg 28932  df-edg 28981  df-uhgr 28991  df-clnbgr 47810  df-isubgr 47851  df-grim 47868  df-gric 47871  df-grlim 47967  df-grlic 47970
This theorem is referenced by: (None)
  Copyright terms: Public domain W3C validator