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| Mirrors > Home > MPE Home > Th. List > Mathboxes > gricgrlic | Structured version Visualization version GIF version | ||
| Description: Isomorphic hypergraphs are locally isomorphic. (Contributed by AV, 12-Jun-2025.) (Proof shortened by AV, 11-Jul-2025.) |
| Ref | Expression |
|---|---|
| gricgrlic | ⊢ ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → (𝐺 ≃𝑔𝑟 𝐻 → 𝐺 ≃𝑙𝑔𝑟 𝐻)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | brgric 48403 | . . 3 ⊢ (𝐺 ≃𝑔𝑟 𝐻 ↔ (𝐺 GraphIso 𝐻) ≠ ∅) | |
| 2 | n0 4281 | . . . 4 ⊢ ((𝐺 GraphIso 𝐻) ≠ ∅ ↔ ∃𝑖 𝑖 ∈ (𝐺 GraphIso 𝐻)) | |
| 3 | uhgrimgrlim 48478 | . . . . . . . 8 ⊢ ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝑖 ∈ (𝐺 GraphIso 𝐻)) → 𝑖 ∈ (𝐺 GraphLocIso 𝐻)) | |
| 4 | brgrilci 48496 | . . . . . . . 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 1124 | . . . . . 6 ⊢ (((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) ∧ 𝑖 ∈ (𝐺 GraphIso 𝐻)) → 𝐺 ≃𝑙𝑔𝑟 𝐻) |
| 7 | 6 | expcom 414 | . . . . 5 ⊢ (𝑖 ∈ (𝐺 GraphIso 𝐻) → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺 ≃𝑙𝑔𝑟 𝐻)) |
| 8 | 7 | exlimiv 1937 | . . . 4 ⊢ (∃𝑖 𝑖 ∈ (𝐺 GraphIso 𝐻) → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺 ≃𝑙𝑔𝑟 𝐻)) |
| 9 | 2, 8 | sylbi 218 | . . 3 ⊢ ((𝐺 GraphIso 𝐻) ≠ ∅ → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺 ≃𝑙𝑔𝑟 𝐻)) |
| 10 | 1, 9 | sylbi 218 | . 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)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 396 ∧ w3a 1092 ∃wex 1786 ∈ wcel 2119 ≠ wne 2934 ∅c0 4261 class class class wbr 5072 (class class class)co 7356 UHGraphcuhgr 29143 GraphIso cgrim 48366 ≃𝑔𝑟 cgric 48367 GraphLocIso cgrlim 48467 ≃𝑙𝑔𝑟 cgrlic 48468 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-rep 5199 ax-sep 5218 ax-nul 5228 ax-pow 5294 ax-pr 5362 ax-un 7678 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-ral 3054 df-rex 3064 df-reu 3345 df-rab 3392 df-v 3433 df-sbc 3724 df-csb 3832 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-pw 4531 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-iun 4923 df-br 5073 df-opab 5135 df-mpt 5154 df-id 5513 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-suc 6316 df-iota 6441 df-fun 6487 df-fn 6488 df-f 6489 df-f1 6490 df-fo 6491 df-f1o 6492 df-fv 6493 df-ov 7359 df-oprab 7360 df-mpo 7361 df-1st 7931 df-2nd 7932 df-1o 8395 df-map 8765 df-vtx 29085 df-iedg 29086 df-edg 29135 df-uhgr 29145 df-clnbgr 48310 df-isubgr 48352 df-grim 48369 df-gric 48372 df-grlim 48469 df-grlic 48472 |
| This theorem is referenced by: (None) |
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