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| Mirrors > Home > MPE Home > Th. List > gropd | Structured version Visualization version GIF version | ||
| Description: If any representation of a graph with vertices 𝑉 and edges 𝐸 has a certain property 𝜓, then the ordered pair 〈𝑉, 𝐸〉 of the set of vertices and the set of edges (which is such a representation of a graph with vertices 𝑉 and edges 𝐸) has this property. (Contributed by AV, 11-Oct-2020.) |
| Ref | Expression |
|---|---|
| gropd.g | ⊢ (𝜑 → ∀𝑔(((Vtx‘𝑔) = 𝑉 ∧ (iEdg‘𝑔) = 𝐸) → 𝜓)) |
| gropd.v | ⊢ (𝜑 → 𝑉 ∈ 𝑈) |
| gropd.e | ⊢ (𝜑 → 𝐸 ∈ 𝑊) |
| Ref | Expression |
|---|---|
| gropd | ⊢ (𝜑 → [〈𝑉, 𝐸〉 / 𝑔]𝜓) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opex 5447 | . . 3 ⊢ 〈𝑉, 𝐸〉 ∈ V | |
| 2 | 1 | a1i 11 | . 2 ⊢ (𝜑 → 〈𝑉, 𝐸〉 ∈ V) |
| 3 | gropd.g | . 2 ⊢ (𝜑 → ∀𝑔(((Vtx‘𝑔) = 𝑉 ∧ (iEdg‘𝑔) = 𝐸) → 𝜓)) | |
| 4 | gropd.v | . . 3 ⊢ (𝜑 → 𝑉 ∈ 𝑈) | |
| 5 | gropd.e | . . 3 ⊢ (𝜑 → 𝐸 ∈ 𝑊) | |
| 6 | opvtxfv 29383 | . . . 4 ⊢ ((𝑉 ∈ 𝑈 ∧ 𝐸 ∈ 𝑊) → (Vtx‘〈𝑉, 𝐸〉) = 𝑉) | |
| 7 | opiedgfv 29386 | . . . 4 ⊢ ((𝑉 ∈ 𝑈 ∧ 𝐸 ∈ 𝑊) → (iEdg‘〈𝑉, 𝐸〉) = 𝐸) | |
| 8 | 6, 7 | jca 521 | . . 3 ⊢ ((𝑉 ∈ 𝑈 ∧ 𝐸 ∈ 𝑊) → ((Vtx‘〈𝑉, 𝐸〉) = 𝑉 ∧ (iEdg‘〈𝑉, 𝐸〉) = 𝐸)) |
| 9 | 4, 5, 8 | syl2anc 596 | . 2 ⊢ (𝜑 → ((Vtx‘〈𝑉, 𝐸〉) = 𝑉 ∧ (iEdg‘〈𝑉, 𝐸〉) = 𝐸)) |
| 10 | nfcv 2927 | . . 3 ⊢ Ⅎ𝑔〈𝑉, 𝐸〉 | |
| 11 | nfv 1947 | . . . 4 ⊢ Ⅎ𝑔((Vtx‘〈𝑉, 𝐸〉) = 𝑉 ∧ (iEdg‘〈𝑉, 𝐸〉) = 𝐸) | |
| 12 | nfsbc1v 3766 | . . . 4 ⊢ Ⅎ𝑔[〈𝑉, 𝐸〉 / 𝑔]𝜓 | |
| 13 | 11, 12 | nfim 1929 | . . 3 ⊢ Ⅎ𝑔(((Vtx‘〈𝑉, 𝐸〉) = 𝑉 ∧ (iEdg‘〈𝑉, 𝐸〉) = 𝐸) → [〈𝑉, 𝐸〉 / 𝑔]𝜓) |
| 14 | fveqeq2 6894 | . . . . 5 ⊢ (𝑔 = 〈𝑉, 𝐸〉 → ((Vtx‘𝑔) = 𝑉 ↔ (Vtx‘〈𝑉, 𝐸〉) = 𝑉)) | |
| 15 | fveqeq2 6894 | . . . . 5 ⊢ (𝑔 = 〈𝑉, 𝐸〉 → ((iEdg‘𝑔) = 𝐸 ↔ (iEdg‘〈𝑉, 𝐸〉) = 𝐸)) | |
| 16 | 14, 15 | anbi12d 644 | . . . 4 ⊢ (𝑔 = 〈𝑉, 𝐸〉 → (((Vtx‘𝑔) = 𝑉 ∧ (iEdg‘𝑔) = 𝐸) ↔ ((Vtx‘〈𝑉, 𝐸〉) = 𝑉 ∧ (iEdg‘〈𝑉, 𝐸〉) = 𝐸))) |
| 17 | sbceq1a 3757 | . . . 4 ⊢ (𝑔 = 〈𝑉, 𝐸〉 → (𝜓 ↔ [〈𝑉, 𝐸〉 / 𝑔]𝜓)) | |
| 18 | 16, 17 | imbi12d 347 | . . 3 ⊢ (𝑔 = 〈𝑉, 𝐸〉 → ((((Vtx‘𝑔) = 𝑉 ∧ (iEdg‘𝑔) = 𝐸) → 𝜓) ↔ (((Vtx‘〈𝑉, 𝐸〉) = 𝑉 ∧ (iEdg‘〈𝑉, 𝐸〉) = 𝐸) → [〈𝑉, 𝐸〉 / 𝑔]𝜓))) |
| 19 | 10, 13, 18 | spcgf 3552 | . 2 ⊢ (〈𝑉, 𝐸〉 ∈ V → (∀𝑔(((Vtx‘𝑔) = 𝑉 ∧ (iEdg‘𝑔) = 𝐸) → 𝜓) → (((Vtx‘〈𝑉, 𝐸〉) = 𝑉 ∧ (iEdg‘〈𝑉, 𝐸〉) = 𝐸) → [〈𝑉, 𝐸〉 / 𝑔]𝜓))) |
| 20 | 2, 3, 9, 19 | syl3c 67 | 1 ⊢ (𝜑 → [〈𝑉, 𝐸〉 / 𝑔]𝜓) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∀wal 1568 = wceq 1570 ∈ wcel 2146 Vcvv 3457 [wsbc 3746 〈cop 4597 ‘cfv 6540 Vtxcvtx 29375 iEdgciedg 29376 |
| 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 2737 ax-sep 5259 ax-nul 5271 ax-pr 5406 ax-un 7738 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-sbc 3747 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-iota 6496 df-fun 6542 df-fv 6548 df-1st 7988 df-2nd 7989 df-vtx 29377 df-iedg 29378 |
| This theorem is used by: gropeld 29412 |
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