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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 48628 | . . . . 5 ⊢ Rel dom GraphIso | |
| 2 | 1 | ovrcl 7453 | . . . 4 ⊢ (𝐹 ∈ (𝐺 GraphIso 𝐻) → (𝐺 ∈ V ∧ 𝐻 ∈ V)) |
| 3 | 2 | simpld 499 | . . 3 ⊢ (𝐹 ∈ (𝐺 GraphIso 𝐻) → 𝐺 ∈ V) |
| 4 | 2 | simprd 500 | . . 3 ⊢ (𝐹 ∈ (𝐺 GraphIso 𝐻) → 𝐻 ∈ V) |
| 5 | id 23 | . . 3 ⊢ (𝐹 ∈ (𝐺 GraphIso 𝐻) → 𝐹 ∈ (𝐺 GraphIso 𝐻)) | |
| 6 | 3, 4, 5 | 3jca 1146 | . 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 48630 | . . 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 232 | . 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 39 | 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 400 ∧ w3a 1103 = wceq 1570 ∃wex 1809 ∈ wcel 2143 ∀wral 3079 Vcvv 3455 dom cdm 5663 “ cima 5666 –1-1-onto→wf1o 6537 ‘cfv 6538 (class class class)co 7412 Vtxcvtx 29327 iEdgciedg 29328 GraphIso cgrim 48623 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 ax-un 7734 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-sbc 3746 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-br 5111 df-opab 5175 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 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 7415 df-oprab 7416 df-mpo 7417 df-map 8827 df-grim 48626 |
| This theorem is referenced by: grimf1o 48632 grimuhgr 48635 grimcnv 48636 grimco 48637 uhgrimedgi 48638 uhgrimisgrgric 48679 clnbgrgrimlem 48681 clnbgrgrim 48682 grimedg 48683 |
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