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Theorem uhgredgrnv 29277
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 29276 . . 3 ((𝐺 ∈ UHGraph ∧ 𝐸 ∈ (Edg‘𝐺)) → 𝐸 ∈ 𝒫 (Vtx‘𝐺))
2 elelpwi 4564 . . . 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 1129 1 ((𝐺 ∈ UHGraph ∧ 𝐸 ∈ (Edg‘𝐺) ∧ 𝑁𝐸) → 𝑁 ∈ (Vtx‘𝐺))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 399  w3a 1097  wcel 2141  𝒫 cpw 4554  cfv 6517  Vtxcvtx 29143  Edgcedg 29194  UHGraphcuhgr 29203
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1814  ax-4 1828  ax-5 1929  ax-6 1986  ax-7 2027  ax-8 2143  ax-9 2151  ax-10 2174  ax-11 2190  ax-12 2211  ax-ext 2733  ax-sep 5245  ax-nul 5255  ax-pr 5389  ax-un 7714
This theorem depends on definitions:  df-bi 209  df-an 400  df-or 859  df-3an 1099  df-tru 1562  df-fal 1572  df-ex 1799  df-nf 1803  df-sb 2090  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-ral 3076  df-rex 3086  df-rab 3414  df-v 3455  df-sbc 3745  df-dif 3907  df-un 3909  df-in 3911  df-ss 3921  df-nul 4286  df-if 4480  df-pw 4556  df-sn 4582  df-pr 4584  df-op 4588  df-uni 4865  df-br 5100  df-opab 5162  df-mpt 5181  df-id 5540  df-xp 5651  df-rel 5652  df-cnv 5653  df-co 5654  df-dm 5655  df-rn 5656  df-iota 6473  df-fun 6519  df-fn 6520  df-f 6521  df-fv 6525  df-edg 29195  df-uhgr 29205
This theorem is referenced by:  clnbgredg  48426  usgrgrtrirex  48536  grlimedgclnbgr  48581  grlimprclnbgr  48582
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