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| Mirrors > Home > MPE Home > Th. List > Mathboxes > grimedgi | Structured version Visualization version GIF version | ||
| Description: Graph isomorphisms map edges onto the corresponding edges. (Contributed by AV, 30-Dec-2025.) |
| Ref | Expression |
|---|---|
| grimedg.v | ⊢ 𝑉 = (Vtx‘𝐺) |
| grimedg.i | ⊢ 𝐼 = (Edg‘𝐺) |
| grimedg.e | ⊢ 𝐸 = (Edg‘𝐻) |
| Ref | Expression |
|---|---|
| grimedgi | ⊢ ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝐹 ∈ (𝐺 GraphIso 𝐻)) → (𝐾 ∈ 𝐼 → (𝐹 “ 𝐾) ∈ 𝐸)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | grimedg.v | . . 3 ⊢ 𝑉 = (Vtx‘𝐺) | |
| 2 | grimedg.i | . . 3 ⊢ 𝐼 = (Edg‘𝐺) | |
| 3 | grimedg.e | . . 3 ⊢ 𝐸 = (Edg‘𝐻) | |
| 4 | 1, 2, 3 | grimedg 49032 | . 2 ⊢ ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝐹 ∈ (𝐺 GraphIso 𝐻)) → (𝐾 ∈ 𝐼 ↔ ((𝐹 “ 𝐾) ∈ 𝐸 ∧ 𝐾 ⊆ 𝑉))) |
| 5 | simpl 488 | . 2 ⊢ (((𝐹 “ 𝐾) ∈ 𝐸 ∧ 𝐾 ⊆ 𝑉) → (𝐹 “ 𝐾) ∈ 𝐸) | |
| 6 | 4, 5 | biimtrdi 256 | 1 ⊢ ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝐹 ∈ (𝐺 GraphIso 𝐻)) → (𝐾 ∈ 𝐼 → (𝐹 “ 𝐾) ∈ 𝐸)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 ⊆ wss 3899 “ cima 5654 ‘cfv 6538 (class class class)co 7420 Vtxcvtx 29574 Edgcedg 29625 UHGraphcuhgr 29634 GraphIso cgrim 48972 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7751 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-sbc 3740 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-ov 7423 df-oprab 7424 df-mpo 7425 df-map 8849 df-edg 29626 df-uhgr 29636 df-grim 48975 |
| This theorem is used by: (None) |
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