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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⟶1-1onto𝑊 ∧ ∃𝑗(𝑗:dom 𝐸⟶1-1ontodom 𝐷 ∧ ∀𝑖 ∈ dom 𝐸(𝐷‘(𝑗‘𝑖)) = (𝐹 “ (𝐸‘𝑖))))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | grimdmrel 49193 | . . . . 5 ⊢ Rel dom GraphIso | |
| 2 | 1 | ovrcl 7487 | . . . 4 ⊢ (𝐹 ∈ (𝐺 GraphIso 𝐻) → (𝐺 ∈ V ∧ 𝐻 ∈ V)) |
| 3 | 2 | simpld 500 | . . 3 ⊢ (𝐹 ∈ (𝐺 GraphIso 𝐻) → 𝐺 ∈ V) |
| 4 | 2 | simprd 501 | . . 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 49195 | . . 3 ⊢ ((𝐺 ∈ V ∧ 𝐻 ∈ V ∧ 𝐹 ∈ (𝐺 GraphIso 𝐻)) → (𝐹 ∈ (𝐺 GraphIso 𝐻) ↔ (𝐹:𝑉⟶1-1onto𝑊 ∧ ∃𝑗(𝑗:dom 𝐸⟶1-1ontodom 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⟶1-1onto𝑊 ∧ ∃𝑗(𝑗:dom 𝐸⟶1-1ontodom 𝐷 ∧ ∀𝑖 ∈ dom 𝐸(𝐷‘(𝑗‘𝑖)) = (𝐹 “ (𝐸‘𝑖)))))) |
| 13 | 6, 12 | mpcom 39 | 1 ⊢ (𝐹 ∈ (𝐺 GraphIso 𝐻) → (𝐹:𝑉⟶1-1onto𝑊 ∧ ∃𝑗(𝑗:dom 𝐸⟶1-1ontodom 𝐷 ∧ ∀𝑖 ∈ dom 𝐸(𝐷‘(𝑗‘𝑖)) = (𝐹 “ (𝐸‘𝑖))))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∃wex 1812 ∈ wcel 2147 ∀wral 3080 Vcvv 3454 dom cdm 5656 “ cima 5659 ⟶1-1ontowf1o 6560 ‘cfv 6561 (class class class)co 7446 Vtxcvtx 29607 iEdgciedg 29608 GraphIso cgrim 49188 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5253 ax-nul 5264 ax-pow 5332 ax-pr 5396 ax-un 7778 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-opab 5172 df-id 5551 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-rn 5667 df-res 5668 df-ima 5669 df-iota 6515 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-ov 7449 df-oprab 7450 df-mpo 7451 df-map 8880 df-grim 49191 |
| This theorem is used by: grimf1o 49197 grimuhgr 49200 grimcnv 49201 grimco 49202 uhgrimedgi 49203 uhgrimisgrgric 49244 clnbgrgrimlem 49246 clnbgrgrim 49247 grimedg 49248 |
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