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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 48177 | . 2 ⊢ ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝐹 ∈ (𝐺 GraphIso 𝐻)) → (𝐾 ∈ 𝐼 ↔ ((𝐹 “ 𝐾) ∈ 𝐸 ∧ 𝐾 ⊆ 𝑉))) |
| 5 | simpl 482 | . 2 ⊢ (((𝐹 “ 𝐾) ∈ 𝐸 ∧ 𝐾 ⊆ 𝑉) → (𝐹 “ 𝐾) ∈ 𝐸) | |
| 6 | 4, 5 | biimtrdi 253 | 1 ⊢ ((𝐺 ∈ UHGraph ∧ 𝐻 ∈ UHGraph ∧ 𝐹 ∈ (𝐺 GraphIso 𝐻)) → (𝐾 ∈ 𝐼 → (𝐹 “ 𝐾) ∈ 𝐸)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1541 ∈ wcel 2113 ⊆ wss 3901 “ cima 5627 ‘cfv 6492 (class class class)co 7358 Vtxcvtx 29069 Edgcedg 29120 UHGraphcuhgr 29129 GraphIso cgrim 48117 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3061 df-rab 3400 df-v 3442 df-sbc 3741 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-ov 7361 df-oprab 7362 df-mpo 7363 df-map 8765 df-edg 29121 df-uhgr 29131 df-grim 48120 |
| This theorem is referenced by: (None) |
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