Theorem gricgrlic 48014

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) → (𝐺 ≃𝑔𝑟 𝐻 → 𝐺 ≃𝑙𝑔𝑟 𝐻))

Proof of Theorem gricgrlic

Dummy variable 𝑖 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		brgric 47916	. . 3 ⊢ (𝐺 ≃𝑔𝑟 𝐻 ↔ (𝐺 GraphIso 𝐻) ≠ ∅)
2		n0 4319	. . . 4 ⊢ ((𝐺 GraphIso 𝐻) ≠ ∅ ↔ ∃𝑖 𝑖 ∈ (𝐺 GraphIso 𝐻))
3		uhgrimgrlim 47990	. . . . . . . 8 ⊢ ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝑖 ∈ (𝐺 GraphIso 𝐻)) → 𝑖 ∈ (𝐺 GraphLocIso 𝐻))
4		brgrilci 48001	. . . . . . . 8 ⊢ (𝑖 ∈ (𝐺 GraphLocIso 𝐻) → 𝐺 ≃𝑙𝑔𝑟 𝐻)
5	3, 4	syl 17	. . . . . . 7 ⊢ ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝑖 ∈ (𝐺 GraphIso 𝐻)) → 𝐺 ≃𝑙𝑔𝑟 𝐻)
6	5	3expa 1118	. . . . . 6 ⊢ (((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) ∧ 𝑖 ∈ (𝐺 GraphIso 𝐻)) → 𝐺 ≃𝑙𝑔𝑟 𝐻)
7	6	expcom 413	. . . . 5 ⊢ (𝑖 ∈ (𝐺 GraphIso 𝐻) → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺 ≃𝑙𝑔𝑟 𝐻))
8	7	exlimiv 1930	. . . 4 ⊢ (∃𝑖 𝑖 ∈ (𝐺 GraphIso 𝐻) → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺 ≃𝑙𝑔𝑟 𝐻))
9	2, 8	sylbi 217	. . 3 ⊢ ((𝐺 GraphIso 𝐻) ≠ ∅ → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺 ≃𝑙𝑔𝑟 𝐻))
10	1, 9	sylbi 217	. 2 ⊢ (𝐺 ≃𝑔𝑟 𝐻 → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺 ≃𝑙𝑔𝑟 𝐻))
11	10	com12 32	1 ⊢ ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → (𝐺 ≃𝑔𝑟 𝐻 → 𝐺 ≃𝑙𝑔𝑟 𝐻))

Syntax hints:   → wi 4   ∧ wa 395   ∧ w3a 1086  ∃wex 1779   ∈ wcel 2109   ≠ wne 2926  ∅c0 4299   class class class wbr 5110  (class class class)co 7390  UHGraphcuhgr 28990   GraphIso cgrim 47879   ≃_𝑔𝑟 cgric 47880   GraphLocIso cgrlim 47979   ≃_𝑙𝑔𝑟 cgrlic 47980

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 5237  ax-sep 5254  ax-nul 5264  ax-pow 5323  ax-pr 5390  ax-un 7714

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 3757  df-csb 3866  df-dif 3920  df-un 3922  df-in 3924  df-ss 3934  df-nul 4300  df-if 4492  df-pw 4568  df-sn 4593  df-pr 4595  df-op 4599  df-uni 4875  df-iun 4960  df-br 5111  df-opab 5173  df-mpt 5192  df-id 5536  df-xp 5647  df-rel 5648  df-cnv 5649  df-co 5650  df-dm 5651  df-rn 5652  df-res 5653  df-ima 5654  df-suc 6341  df-iota 6467  df-fun 6516  df-fn 6517  df-f 6518  df-f1 6519  df-fo 6520  df-f1o 6521  df-fv 6522  df-ov 7393  df-oprab 7394  df-mpo 7395  df-1st 7971  df-2nd 7972  df-1o 8437  df-map 8804  df-vtx 28932  df-iedg 28933  df-edg 28982  df-uhgr 28992  df-clnbgr 47824  df-isubgr 47865  df-grim 47882  df-gric 47885  df-grlim 47981  df-grlic 47984

This theorem is referenced by: (None)