ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  isusgropen GIF version

Theorem isusgropen 16019
Description: The property of being an undirected simple graph represented as an ordered pair. The representation as an ordered pair is the usual representation of a graph, see section I.1 of [Bollobas] p. 1. (Contributed by AV, 30-Nov-2020.)
Assertion
Ref Expression
isusgropen ((𝑉𝑊𝐸𝑋) → (⟨𝑉, 𝐸⟩ ∈ USGraph ↔ 𝐸:dom 𝐸1-1→{𝑝 ∈ 𝒫 𝑉𝑝 ≈ 2o}))
Distinct variable groups:   𝐸,𝑝   𝑉,𝑝   𝑊,𝑝   𝑋,𝑝

Proof of Theorem isusgropen
StepHypRef Expression
1 opexg 4320 . . 3 ((𝑉𝑊𝐸𝑋) → ⟨𝑉, 𝐸⟩ ∈ V)
2 eqid 2231 . . . 4 (Vtx‘⟨𝑉, 𝐸⟩) = (Vtx‘⟨𝑉, 𝐸⟩)
3 eqid 2231 . . . 4 (iEdg‘⟨𝑉, 𝐸⟩) = (iEdg‘⟨𝑉, 𝐸⟩)
42, 3isusgren 16012 . . 3 (⟨𝑉, 𝐸⟩ ∈ V → (⟨𝑉, 𝐸⟩ ∈ USGraph ↔ (iEdg‘⟨𝑉, 𝐸⟩):dom (iEdg‘⟨𝑉, 𝐸⟩)–1-1→{𝑝 ∈ 𝒫 (Vtx‘⟨𝑉, 𝐸⟩) ∣ 𝑝 ≈ 2o}))
51, 4syl 14 . 2 ((𝑉𝑊𝐸𝑋) → (⟨𝑉, 𝐸⟩ ∈ USGraph ↔ (iEdg‘⟨𝑉, 𝐸⟩):dom (iEdg‘⟨𝑉, 𝐸⟩)–1-1→{𝑝 ∈ 𝒫 (Vtx‘⟨𝑉, 𝐸⟩) ∣ 𝑝 ≈ 2o}))
6 opiedgfv 15879 . . 3 ((𝑉𝑊𝐸𝑋) → (iEdg‘⟨𝑉, 𝐸⟩) = 𝐸)
76dmeqd 4933 . . 3 ((𝑉𝑊𝐸𝑋) → dom (iEdg‘⟨𝑉, 𝐸⟩) = dom 𝐸)
8 opvtxfv 15876 . . . . 5 ((𝑉𝑊𝐸𝑋) → (Vtx‘⟨𝑉, 𝐸⟩) = 𝑉)
98pweqd 3657 . . . 4 ((𝑉𝑊𝐸𝑋) → 𝒫 (Vtx‘⟨𝑉, 𝐸⟩) = 𝒫 𝑉)
109rabeqdv 2796 . . 3 ((𝑉𝑊𝐸𝑋) → {𝑝 ∈ 𝒫 (Vtx‘⟨𝑉, 𝐸⟩) ∣ 𝑝 ≈ 2o} = {𝑝 ∈ 𝒫 𝑉𝑝 ≈ 2o})
116, 7, 10f1eq123d 5575 . 2 ((𝑉𝑊𝐸𝑋) → ((iEdg‘⟨𝑉, 𝐸⟩):dom (iEdg‘⟨𝑉, 𝐸⟩)–1-1→{𝑝 ∈ 𝒫 (Vtx‘⟨𝑉, 𝐸⟩) ∣ 𝑝 ≈ 2o} ↔ 𝐸:dom 𝐸1-1→{𝑝 ∈ 𝒫 𝑉𝑝 ≈ 2o}))
125, 11bitrd 188 1 ((𝑉𝑊𝐸𝑋) → (⟨𝑉, 𝐸⟩ ∈ USGraph ↔ 𝐸:dom 𝐸1-1→{𝑝 ∈ 𝒫 𝑉𝑝 ≈ 2o}))
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104  wb 105  wcel 2202  {crab 2514  Vcvv 2802  𝒫 cpw 3652  cop 3672   class class class wbr 4088  dom cdm 4725  1-1wf1 5323  cfv 5326  2oc2o 6576  cen 6907  Vtxcvtx 15866  iEdgciedg 15867  USGraphcusgr 16008
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-pow 4264  ax-pr 4299  ax-un 4530  ax-setind 4635  ax-cnex 8123  ax-resscn 8124  ax-1cn 8125  ax-1re 8126  ax-icn 8127  ax-addcl 8128  ax-addrcl 8129  ax-mulcl 8130  ax-addcom 8132  ax-mulcom 8133  ax-addass 8134  ax-mulass 8135  ax-distr 8136  ax-i2m1 8137  ax-1rid 8139  ax-0id 8140  ax-rnegex 8141  ax-cnre 8143
This theorem depends on definitions:  df-bi 117  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-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-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-id 4390  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-fv 5334  df-riota 5971  df-ov 6021  df-oprab 6022  df-mpo 6023  df-1st 6303  df-2nd 6304  df-sub 8352  df-inn 9144  df-2 9202  df-3 9203  df-4 9204  df-5 9205  df-6 9206  df-7 9207  df-8 9208  df-9 9209  df-n0 9403  df-dec 9612  df-ndx 13087  df-slot 13088  df-base 13090  df-edgf 15859  df-vtx 15868  df-iedg 15869  df-usgren 16010
This theorem is referenced by:  usgrop  16020
  Copyright terms: Public domain W3C validator