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| Mirrors > Home > ILE Home > Th. List > basvtxval2dom | GIF version | ||
| Description: The set of vertices of a graph represented as an extensible structure with the set of vertices as base set. (Contributed by AV, 14-Oct-2020.) (Revised by AV, 12-Nov-2021.) |
| Ref | Expression |
|---|---|
| basvtxval.s | ⊢ (𝜑 → 𝐺 Struct 𝑋) |
| basvtxval2dom.d | ⊢ (𝜑 → 2o ≼ dom 𝐺) |
| basvtxval.v | ⊢ (𝜑 → 𝑉 ∈ 𝑌) |
| basvtxval.b | ⊢ (𝜑 → 〈(Base‘ndx), 𝑉〉 ∈ 𝐺) |
| Ref | Expression |
|---|---|
| basvtxval2dom | ⊢ (𝜑 → (Vtx‘𝐺) = 𝑉) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | basvtxval.s | . . . 4 ⊢ (𝜑 → 𝐺 Struct 𝑋) | |
| 2 | structex 13308 | . . . 4 ⊢ (𝐺 Struct 𝑋 → 𝐺 ∈ V) | |
| 3 | 1, 2 | syl 14 | . . 3 ⊢ (𝜑 → 𝐺 ∈ V) |
| 4 | structn0fun 13309 | . . . 4 ⊢ (𝐺 Struct 𝑋 → Fun (𝐺 ∖ {∅})) | |
| 5 | 1, 4 | syl 14 | . . 3 ⊢ (𝜑 → Fun (𝐺 ∖ {∅})) |
| 6 | basvtxval2dom.d | . . 3 ⊢ (𝜑 → 2o ≼ dom 𝐺) | |
| 7 | funvtxdm2domval 16150 | . . 3 ⊢ ((𝐺 ∈ V ∧ Fun (𝐺 ∖ {∅}) ∧ 2o ≼ dom 𝐺) → (Vtx‘𝐺) = (Base‘𝐺)) | |
| 8 | 3, 5, 6, 7 | syl3anc 1274 | . 2 ⊢ (𝜑 → (Vtx‘𝐺) = (Base‘𝐺)) |
| 9 | basvtxval.v | . . 3 ⊢ (𝜑 → 𝑉 ∈ 𝑌) | |
| 10 | basvtxval.b | . . 3 ⊢ (𝜑 → 〈(Base‘ndx), 𝑉〉 ∈ 𝐺) | |
| 11 | 1, 9, 10 | opelstrbas 13412 | . 2 ⊢ (𝜑 → 𝑉 = (Base‘𝐺)) |
| 12 | 8, 11 | eqtr4d 2270 | 1 ⊢ (𝜑 → (Vtx‘𝐺) = 𝑉) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 ∈ wcel 2205 Vcvv 2815 ∖ cdif 3211 ∅c0 3512 {csn 3694 〈cop 3697 class class class wbr 4114 dom cdm 4754 Fun wfun 5351 ‘cfv 5357 2oc2o 6654 ≼ cdom 6987 Struct cstr 13292 ndxcnx 13293 Basecbs 13296 Vtxcvtx 16133 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-sep 4233 ax-nul 4241 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-cnex 8234 ax-resscn 8235 ax-1re 8237 ax-addrcl 8240 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-ral 2527 df-rex 2528 df-rab 2531 df-v 2817 df-sbc 3046 df-csb 3142 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-nul 3513 df-if 3625 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-int 3955 df-br 4115 df-opab 4177 df-mpt 4178 df-id 4419 df-suc 4497 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-iota 5317 df-fun 5359 df-fn 5360 df-f 5361 df-f1 5362 df-fo 5363 df-fv 5365 df-1st 6347 df-1o 6660 df-2o 6661 df-dom 6990 df-inn 9255 df-struct 13298 df-ndx 13299 df-slot 13300 df-base 13302 df-vtx 16135 |
| This theorem is referenced by: structvtxval 16160 structgrssvtx 16163 |
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