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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 15891 | . 2 ⊢ (𝜑 → 2o ≼ dom 𝐺) |
| 6 | basendxnn 13137 | . . . . . 6 ⊢ (Base‘ndx) ∈ ℕ | |
| 7 | opexg 4320 | . . . . . 6 ⊢ (((Base‘ndx) ∈ ℕ ∧ 𝑉 ∈ 𝑌) → 〈(Base‘ndx), 𝑉〉 ∈ V) | |
| 8 | 6, 2, 7 | sylancr 414 | . . . . 5 ⊢ (𝜑 → 〈(Base‘ndx), 𝑉〉 ∈ V) |
| 9 | edgfndxnn 15858 | . . . . . 6 ⊢ (.ef‘ndx) ∈ ℕ | |
| 10 | opexg 4320 | . . . . . 6 ⊢ (((.ef‘ndx) ∈ ℕ ∧ 𝐸 ∈ 𝑍) → 〈(.ef‘ndx), 𝐸〉 ∈ V) | |
| 11 | 9, 3, 10 | sylancr 414 | . . . . 5 ⊢ (𝜑 → 〈(.ef‘ndx), 𝐸〉 ∈ V) |
| 12 | prssg 3830 | . . . . 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 411 | . . . 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 15884 | 1 ⊢ (𝜑 → (Vtx‘𝐺) = 𝑉) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 = wceq 1397 ∈ wcel 2202 Vcvv 2802 ⊆ wss 3200 {cpr 3670 〈cop 3672 class class class wbr 4088 ‘cfv 5326 ℕcn 9142 Struct cstr 13077 ndxcnx 13078 Basecbs 13081 .efcedgf 15854 Vtxcvtx 15862 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-nul 4215 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-cnex 8122 ax-resscn 8123 ax-1cn 8124 ax-1re 8125 ax-icn 8126 ax-addcl 8127 ax-addrcl 8128 ax-mulcl 8129 ax-mulrcl 8130 ax-addcom 8131 ax-mulcom 8132 ax-addass 8133 ax-mulass 8134 ax-distr 8135 ax-i2m1 8136 ax-0lt1 8137 ax-1rid 8138 ax-0id 8139 ax-rnegex 8140 ax-precex 8141 ax-cnre 8142 ax-pre-ltirr 8143 ax-pre-ltwlin 8144 ax-pre-lttrn 8145 ax-pre-ltadd 8147 ax-pre-mulgt0 8148 |
| This theorem depends on definitions: df-bi 117 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-reu 2517 df-rab 2519 df-v 2804 df-sbc 3032 df-csb 3128 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-nul 3495 df-if 3606 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-br 4089 df-opab 4151 df-mpt 4152 df-tr 4188 df-id 4390 df-iord 4463 df-on 4465 df-suc 4468 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-f1 5331 df-fo 5332 df-f1o 5333 df-fv 5334 df-riota 5970 df-ov 6020 df-oprab 6021 df-mpo 6022 df-1st 6302 df-1o 6581 df-2o 6582 df-en 6909 df-dom 6910 df-pnf 8215 df-mnf 8216 df-xr 8217 df-ltxr 8218 df-le 8219 df-sub 8351 df-neg 8352 df-inn 9143 df-2 9201 df-3 9202 df-4 9203 df-5 9204 df-6 9205 df-7 9206 df-8 9207 df-9 9208 df-n0 9402 df-z 9479 df-dec 9611 df-struct 13083 df-ndx 13084 df-slot 13085 df-base 13087 df-edgf 15855 df-vtx 15864 |
| This theorem is referenced by: (None) |
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