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| Mirrors > Home > ILE Home > Th. List > opvtxfvi | GIF version | ||
| Description: The set of vertices of a graph represented as an ordered pair of vertices and indexed edges as function value. (Contributed by AV, 4-Mar-2021.) |
| Ref | Expression |
|---|---|
| opvtxfvi.v | ⊢ 𝑉 ∈ V |
| opvtxfvi.e | ⊢ 𝐸 ∈ V |
| Ref | Expression |
|---|---|
| opvtxfvi | ⊢ (Vtx‘〈𝑉, 𝐸〉) = 𝑉 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opvtxfvi.v | . 2 ⊢ 𝑉 ∈ V | |
| 2 | opvtxfvi.e | . 2 ⊢ 𝐸 ∈ V | |
| 3 | opvtxfv 16263 | . 2 ⊢ ((𝑉 ∈ V ∧ 𝐸 ∈ V) → (Vtx‘〈𝑉, 𝐸〉) = 𝑉) | |
| 4 | 1, 2, 3 | mp2an 430 | 1 ⊢ (Vtx‘〈𝑉, 𝐸〉) = 𝑉 |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: = wceq 1402 ∈ wcel 2209 Vcvv 2821 〈cop 3712 ‘cfv 5377 Vtxcvtx 16253 |
| 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 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-cnex 8270 ax-resscn 8271 ax-1re 8273 ax-addrcl 8276 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 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-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-un 3224 df-in 3226 df-ss 3233 df-if 3639 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4131 df-opab 4193 df-mpt 4194 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-iota 5337 df-fun 5379 df-fn 5380 df-f 5381 df-fo 5383 df-fv 5385 df-1st 6374 df-inn 9305 df-ndx 13355 df-slot 13356 df-base 13358 df-vtx 16255 |
| This theorem is used by: konigsberglem1 16729 konigsberglem2 16730 konigsberglem3 16731 |
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