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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 48741 | . 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 2146 ⊆ wss 3908 “ cima 5669 ‘cfv 6543 (class class class)co 7423 Vtxcvtx 29383 Edgcedg 29434 UHGraphcuhgr 29443 GraphIso cgrim 48681 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 |
| 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 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-ral 3083 df-rex 3093 df-rab 3420 df-v 3460 df-sbc 3748 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-br 5115 df-opab 5179 df-mpt 5198 df-id 5561 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-ov 7426 df-oprab 7427 df-mpo 7428 df-map 8835 df-edg 29435 df-uhgr 29445 df-grim 48684 |
| This theorem is used by: (None) |
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