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Theorem uhgredgrnv 26923
Description: An edge of a hypergraph contains only vertices. (Contributed by Alexander van der Vekens, 18-Feb-2018.) (Revised by AV, 4-Jun-2021.)
Assertion
Ref Expression
uhgredgrnv ((𝐺 ∈ UHGraph ∧ 𝐸 ∈ (Edg‘𝐺) ∧ 𝑁𝐸) → 𝑁 ∈ (Vtx‘𝐺))

Proof of Theorem uhgredgrnv
StepHypRef Expression
1 edguhgr 26922 . . 3 ((𝐺 ∈ UHGraph ∧ 𝐸 ∈ (Edg‘𝐺)) → 𝐸 ∈ 𝒫 (Vtx‘𝐺))
2 elelpwi 4509 . . . 4 ((𝑁𝐸𝐸 ∈ 𝒫 (Vtx‘𝐺)) → 𝑁 ∈ (Vtx‘𝐺))
32expcom 417 . . 3 (𝐸 ∈ 𝒫 (Vtx‘𝐺) → (𝑁𝐸𝑁 ∈ (Vtx‘𝐺)))
41, 3syl 17 . 2 ((𝐺 ∈ UHGraph ∧ 𝐸 ∈ (Edg‘𝐺)) → (𝑁𝐸𝑁 ∈ (Vtx‘𝐺)))
543impia 1114 1 ((𝐺 ∈ UHGraph ∧ 𝐸 ∈ (Edg‘𝐺) ∧ 𝑁𝐸) → 𝑁 ∈ (Vtx‘𝐺))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 399  w3a 1084  wcel 2111  𝒫 cpw 4497  cfv 6324  Vtxcvtx 26789  Edgcedg 26840  UHGraphcuhgr 26849
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2770  ax-sep 5167  ax-nul 5174  ax-pow 5231  ax-pr 5295  ax-un 7441
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2598  df-eu 2629  df-clab 2777  df-cleq 2791  df-clel 2870  df-nfc 2938  df-ral 3111  df-rex 3112  df-rab 3115  df-v 3443  df-sbc 3721  df-dif 3884  df-un 3886  df-in 3888  df-ss 3898  df-nul 4244  df-if 4426  df-pw 4499  df-sn 4526  df-pr 4528  df-op 4532  df-uni 4801  df-br 5031  df-opab 5093  df-mpt 5111  df-id 5425  df-xp 5525  df-rel 5526  df-cnv 5527  df-co 5528  df-dm 5529  df-rn 5530  df-iota 6283  df-fun 6326  df-fn 6327  df-f 6328  df-fv 6332  df-edg 26841  df-uhgr 26851
This theorem is referenced by: (None)
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