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| Mirrors > Home > ILE Home > Th. List > structgrssvtx | GIF version | ||
| Description: The set of vertices of a graph represented as an extensible structure with vertices as base set and indexed edges. (Contributed by AV, 14-Oct-2020.) (Proof shortened by AV, 12-Nov-2021.) |
| Ref | Expression |
|---|---|
| structgrssvtx.g | ⊢ (𝜑 → 𝐺 Struct 𝑋) |
| structgrssvtx.v | ⊢ (𝜑 → 𝑉 ∈ 𝑌) |
| structgrssvtx.e | ⊢ (𝜑 → 𝐸 ∈ 𝑍) |
| structgrssvtx.s | ⊢ (𝜑 → {〈(Base‘ndx), 𝑉〉, 〈(.ef‘ndx), 𝐸〉} ⊆ 𝐺) |
| Ref | Expression |
|---|---|
| structgrssvtx | ⊢ (𝜑 → (Vtx‘𝐺) = 𝑉) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | structgrssvtx.g | . 2 ⊢ (𝜑 → 𝐺 Struct 𝑋) | |
| 2 | structgrssvtx.v | . . 3 ⊢ (𝜑 → 𝑉 ∈ 𝑌) | |
| 3 | structgrssvtx.e | . . 3 ⊢ (𝜑 → 𝐸 ∈ 𝑍) | |
| 4 | structgrssvtx.s | . . 3 ⊢ (𝜑 → {〈(Base‘ndx), 𝑉〉, 〈(.ef‘ndx), 𝐸〉} ⊆ 𝐺) | |
| 5 | 1, 2, 3, 4 | structgr2slots2dom 16487 | . 2 ⊢ (𝜑 → 2o ≼ dom 𝐺) |
| 6 | basendxnn 13466 | . . . . . 6 ⊢ (Base‘ndx) ∈ ℕ | |
| 7 | opexg 4370 | . . . . . 6 ⊢ (((Base‘ndx) ∈ ℕ ∧ 𝑉 ∈ 𝑌) → 〈(Base‘ndx), 𝑉〉 ∈ V) | |
| 8 | 6, 2, 7 | sylancr 418 | . . . . 5 ⊢ (𝜑 → 〈(Base‘ndx), 𝑉〉 ∈ V) |
| 9 | edgfndxnn 16454 | . . . . . 6 ⊢ (.ef‘ndx) ∈ ℕ | |
| 10 | opexg 4370 | . . . . . 6 ⊢ (((.ef‘ndx) ∈ ℕ ∧ 𝐸 ∈ 𝑍) → 〈(.ef‘ndx), 𝐸〉 ∈ V) | |
| 11 | 9, 3, 10 | sylancr 418 | . . . . 5 ⊢ (𝜑 → 〈(.ef‘ndx), 𝐸〉 ∈ V) |
| 12 | prssg 3872 | . . . . 5 ⊢ ((〈(Base‘ndx), 𝑉〉 ∈ V ∧ 〈(.ef‘ndx), 𝐸〉 ∈ V) → ((〈(Base‘ndx), 𝑉〉 ∈ 𝐺 ∧ 〈(.ef‘ndx), 𝐸〉 ∈ 𝐺) ↔ {〈(Base‘ndx), 𝑉〉, 〈(.ef‘ndx), 𝐸〉} ⊆ 𝐺)) | |
| 13 | 8, 11, 12 | syl2anc 415 | . . . 4 ⊢ (𝜑 → ((〈(Base‘ndx), 𝑉〉 ∈ 𝐺 ∧ 〈(.ef‘ndx), 𝐸〉 ∈ 𝐺) ↔ {〈(Base‘ndx), 𝑉〉, 〈(.ef‘ndx), 𝐸〉} ⊆ 𝐺)) |
| 14 | 4, 13 | mpbird 167 | . . 3 ⊢ (𝜑 → (〈(Base‘ndx), 𝑉〉 ∈ 𝐺 ∧ 〈(.ef‘ndx), 𝐸〉 ∈ 𝐺)) |
| 15 | 14 | simpld 112 | . 2 ⊢ (𝜑 → 〈(Base‘ndx), 𝑉〉 ∈ 𝐺) |
| 16 | 1, 5, 2, 15 | basvtxval2dom 16480 | 1 ⊢ (𝜑 → (Vtx‘𝐺) = 𝑉) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 104 ↔ wb 105 = wceq 1402 ∈ wcel 2209 Vcvv 2821 ⊆ wss 3220 {cpr 3710 〈cop 3712 class class class wbr 4131 ‘cfv 5380 ℕcn 9313 Struct cstr 13406 ndxcnx 13407 Basecbs 13410 .efcedgf 16450 Vtxcvtx 16458 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-nul 4261 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8276 ax-resscn 8277 ax-1cn 8278 ax-1re 8279 ax-icn 8280 ax-addcl 8281 ax-addrcl 8282 ax-mulcl 8283 ax-mulrcl 8284 ax-addcom 8285 ax-mulcom 8286 ax-addass 8287 ax-mulass 8288 ax-distr 8289 ax-i2m1 8290 ax-0lt1 8291 ax-1rid 8292 ax-0id 8293 ax-rnegex 8294 ax-precex 8295 ax-cnre 8296 ax-pre-ltirr 8297 ax-pre-ltwlin 8298 ax-pre-lttrn 8299 ax-pre-ltadd 8301 ax-pre-mulgt0 8302 |
| This proof depends on definitions: df-bi 117 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3639 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4132 df-opab 4194 df-mpt 4195 df-tr 4232 df-id 4440 df-iord 4513 df-on 4515 df-suc 4518 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-rn 4787 df-res 4788 df-iota 5340 df-fun 5382 df-fn 5383 df-f 5384 df-f1 5385 df-fo 5386 df-f1o 5387 df-fv 5388 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-1st 6378 df-1o 6691 df-2o 6692 df-en 7027 df-dom 7028 df-pnf 8368 df-mnf 8369 df-xr 8370 df-ltxr 8371 df-le 8372 df-sub 8506 df-neg 8507 df-inn 9314 df-2 9372 df-3 9373 df-4 9374 df-5 9375 df-6 9376 df-7 9377 df-8 9378 df-9 9379 df-n0 9575 df-z 9656 df-dec 9789 df-struct 13412 df-ndx 13413 df-slot 13414 df-base 13416 df-edgf 16451 df-vtx 16460 |
| This theorem is used by: (None) |
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