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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 49104 | . . 3 ⊢ (𝐺 ≃𝑔𝑟 𝐻 ↔ (𝐺 GraphIso 𝐻) ≠ ∅) | |
| 2 | n0 4299 | . . . 4 ⊢ ((𝐺 GraphIso 𝐻) ≠ ∅ ↔ ∃𝑖 𝑖 ∈ (𝐺 GraphIso 𝐻)) | |
| 3 | uhgrimgrlim 49179 | . . . . . . . 8 ⊢ ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝑖 ∈ (𝐺 GraphIso 𝐻)) → 𝑖 ∈ (𝐺 GraphLocIso 𝐻)) | |
| 4 | brgrilci 49197 | . . . . . . . 8 ⊢ (𝑖 ∈ (𝐺 GraphLocIso 𝐻) → 𝐺 ≃𝑙𝑔𝑟 𝐻) | |
| 5 | 3, 4 | syl 18 | . . . . . . 7 ⊢ ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝑖 ∈ (𝐺 GraphIso 𝐻)) → 𝐺 ≃𝑙𝑔𝑟 𝐻) |
| 6 | 5 | 3expa 1136 | . . . . . 6 ⊢ (((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) ∧ 𝑖 ∈ (𝐺 GraphIso 𝐻)) → 𝐺 ≃𝑙𝑔𝑟 𝐻) |
| 7 | 6 | expcom 419 | . . . . 5 ⊢ (𝑖 ∈ (𝐺 GraphIso 𝐻) → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺 ≃𝑙𝑔𝑟 𝐻)) |
| 8 | 7 | exlimiv 1962 | . . . 4 ⊢ (∃𝑖 𝑖 ∈ (𝐺 GraphIso 𝐻) → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺 ≃𝑙𝑔𝑟 𝐻)) |
| 9 | 2, 8 | sylbi 220 | . . 3 ⊢ ((𝐺 GraphIso 𝐻) ≠ ∅ → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺 ≃𝑙𝑔𝑟 𝐻)) |
| 10 | 1, 9 | sylbi 220 | . 2 ⊢ (𝐺 ≃𝑔𝑟 𝐻 → ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → 𝐺 ≃𝑙𝑔𝑟 𝐻)) |
| 11 | 10 | com12 33 | 1 ⊢ ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph) → (𝐺 ≃𝑔𝑟 𝐻 → 𝐺 ≃𝑙𝑔𝑟 𝐻)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 ∃wex 1811 ∈ wcel 2144 ≠ wne 2955 ∅c0 4278 class class class wbr 5102 (class class class)co 7421 UHGraphcuhgr 29640 GraphIso cgrim 49067 ≃𝑔𝑟 cgric 49068 GraphLocIso cgrlim 49168 ≃𝑙𝑔𝑟 cgrlic 49169 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 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 3739 df-csb 3847 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-ov 7424 df-oprab 7425 df-mpo 7426 df-1st 8002 df-2nd 8003 df-1o 8480 df-map 8853 df-vtx 29582 df-iedg 29583 df-edg 29632 df-uhgr 29642 df-clnbgr 49011 df-isubgr 49053 df-grim 49070 df-gric 49073 df-grlim 49170 df-grlic 49173 |
| This theorem is used by: (None) |
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