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Theorem uhgredgrnv 29186
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 29185 . . 3 ((𝐺 ∈ UHGraph ∧ 𝐸 ∈ (Edg‘𝐺)) → 𝐸 ∈ 𝒫 (Vtx‘𝐺))
2 elelpwi 4565 . . . 4 ((𝑁𝐸𝐸 ∈ 𝒫 (Vtx‘𝐺)) → 𝑁 ∈ (Vtx‘𝐺))
32expcom 413 . . 3 (𝐸 ∈ 𝒫 (Vtx‘𝐺) → (𝑁𝐸𝑁 ∈ (Vtx‘𝐺)))
41, 3syl 17 . 2 ((𝐺 ∈ UHGraph ∧ 𝐸 ∈ (Edg‘𝐺)) → (𝑁𝐸𝑁 ∈ (Vtx‘𝐺)))
543impia 1118 1 ((𝐺 ∈ UHGraph ∧ 𝐸 ∈ (Edg‘𝐺) ∧ 𝑁𝐸) → 𝑁 ∈ (Vtx‘𝐺))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  w3a 1087  wcel 2114  𝒫 cpw 4555  cfv 6493  Vtxcvtx 29052  Edgcedg 29103  UHGraphcuhgr 29112
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 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-sep 5242  ax-nul 5252  ax-pr 5378  ax-un 7682
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3062  df-rab 3401  df-v 3443  df-sbc 3742  df-dif 3905  df-un 3907  df-in 3909  df-ss 3919  df-nul 4287  df-if 4481  df-pw 4557  df-sn 4582  df-pr 4584  df-op 4588  df-uni 4865  df-br 5100  df-opab 5162  df-mpt 5181  df-id 5520  df-xp 5631  df-rel 5632  df-cnv 5633  df-co 5634  df-dm 5635  df-rn 5636  df-iota 6449  df-fun 6495  df-fn 6496  df-f 6497  df-fv 6501  df-edg 29104  df-uhgr 29114
This theorem is referenced by:  clnbgredg  48122  usgrgrtrirex  48232  grlimedgclnbgr  48277  grlimprclnbgr  48278
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