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| Mirrors > Home > MPE Home > Th. List > Mathboxes > grimprop | Structured version Visualization version GIF version | ||
| Description: Properties of an isomorphism of graphs. (Contributed by AV, 29-Apr-2025.) |
| Ref | Expression |
|---|---|
| grimprop.v | ⊢ 𝑉 = (Vtx‘𝐺) |
| grimprop.w | ⊢ 𝑊 = (Vtx‘𝐻) |
| grimprop.e | ⊢ 𝐸 = (iEdg‘𝐺) |
| grimprop.d | ⊢ 𝐷 = (iEdg‘𝐻) |
| Ref | Expression |
|---|---|
| grimprop | ⊢ (𝐹 ∈ (𝐺 GraphIso 𝐻) → (𝐹:𝑉–1-1-onto→𝑊 ∧ ∃𝑗(𝑗:dom 𝐸–1-1-onto→dom 𝐷 ∧ ∀𝑖 ∈ dom 𝐸(𝐷‘(𝑗‘𝑖)) = (𝐹 “ (𝐸‘𝑖))))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | grimdmrel 48126 | . . . . 5 ⊢ Rel dom GraphIso | |
| 2 | 1 | ovrcl 7399 | . . . 4 ⊢ (𝐹 ∈ (𝐺 GraphIso 𝐻) → (𝐺 ∈ V ∧ 𝐻 ∈ V)) |
| 3 | 2 | simpld 494 | . . 3 ⊢ (𝐹 ∈ (𝐺 GraphIso 𝐻) → 𝐺 ∈ V) |
| 4 | 2 | simprd 495 | . . 3 ⊢ (𝐹 ∈ (𝐺 GraphIso 𝐻) → 𝐻 ∈ V) |
| 5 | id 22 | . . 3 ⊢ (𝐹 ∈ (𝐺 GraphIso 𝐻) → 𝐹 ∈ (𝐺 GraphIso 𝐻)) | |
| 6 | 3, 4, 5 | 3jca 1128 | . 2 ⊢ (𝐹 ∈ (𝐺 GraphIso 𝐻) → (𝐺 ∈ V ∧ 𝐻 ∈ V ∧ 𝐹 ∈ (𝐺 GraphIso 𝐻))) |
| 7 | grimprop.v | . . . 4 ⊢ 𝑉 = (Vtx‘𝐺) | |
| 8 | grimprop.w | . . . 4 ⊢ 𝑊 = (Vtx‘𝐻) | |
| 9 | grimprop.e | . . . 4 ⊢ 𝐸 = (iEdg‘𝐺) | |
| 10 | grimprop.d | . . . 4 ⊢ 𝐷 = (iEdg‘𝐻) | |
| 11 | 7, 8, 9, 10 | isgrim 48128 | . . 3 ⊢ ((𝐺 ∈ V ∧ 𝐻 ∈ V ∧ 𝐹 ∈ (𝐺 GraphIso 𝐻)) → (𝐹 ∈ (𝐺 GraphIso 𝐻) ↔ (𝐹:𝑉–1-1-onto→𝑊 ∧ ∃𝑗(𝑗:dom 𝐸–1-1-onto→dom 𝐷 ∧ ∀𝑖 ∈ dom 𝐸(𝐷‘(𝑗‘𝑖)) = (𝐹 “ (𝐸‘𝑖)))))) |
| 12 | 11 | biimpd 229 | . 2 ⊢ ((𝐺 ∈ V ∧ 𝐻 ∈ V ∧ 𝐹 ∈ (𝐺 GraphIso 𝐻)) → (𝐹 ∈ (𝐺 GraphIso 𝐻) → (𝐹:𝑉–1-1-onto→𝑊 ∧ ∃𝑗(𝑗:dom 𝐸–1-1-onto→dom 𝐷 ∧ ∀𝑖 ∈ dom 𝐸(𝐷‘(𝑗‘𝑖)) = (𝐹 “ (𝐸‘𝑖)))))) |
| 13 | 6, 12 | mpcom 38 | 1 ⊢ (𝐹 ∈ (𝐺 GraphIso 𝐻) → (𝐹:𝑉–1-1-onto→𝑊 ∧ ∃𝑗(𝑗:dom 𝐸–1-1-onto→dom 𝐷 ∧ ∀𝑖 ∈ dom 𝐸(𝐷‘(𝑗‘𝑖)) = (𝐹 “ (𝐸‘𝑖))))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1541 ∃wex 1780 ∈ wcel 2113 ∀wral 3051 Vcvv 3440 dom cdm 5624 “ cima 5627 –1-1-onto→wf1o 6491 ‘cfv 6492 (class class class)co 7358 Vtxcvtx 29069 iEdgciedg 29070 GraphIso cgrim 48121 |
| 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-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-grim 48124 |
| This theorem is referenced by: grimf1o 48130 grimuhgr 48133 grimcnv 48134 grimco 48135 uhgrimedgi 48136 uhgrimisgrgric 48177 clnbgrgrimlem 48179 clnbgrgrim 48180 grimedg 48181 |
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