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Theorem opvtxfvi 29587
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.)
Hypotheses
Ref Expression
opvtxfvi.v 𝑉 ∈ V
opvtxfvi.e 𝐸 ∈ V
Assertion
Ref Expression
opvtxfvi (Vtx‘⟨𝑉, 𝐸⟩) = 𝑉

Proof of Theorem opvtxfvi
StepHypRef Expression
1 opvtxfvi.v . 2 𝑉 ∈ V
2 opvtxfvi.e . 2 𝐸 ∈ V
3 opvtxfv 29582 . 2 ((𝑉 ∈ V ∧ 𝐸 ∈ V) → (Vtx‘⟨𝑉, 𝐸⟩) = 𝑉)
41, 2, 3mp2an 705 1 (Vtx‘⟨𝑉, 𝐸⟩) = 𝑉
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   = wceq 1570   ∈ wcel 2145  Vcvv 3451  ⟨cop 4590  ‘cfv 6538  Vtxcvtx 29574
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2733  ax-sep 5249  ax-nul 5260  ax-pr 5391  ax-un 7751
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-ral 3078  df-rex 3088  df-rab 3414  df-v 3453  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-nul 4280  df-if 4483  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-br 5104  df-opab 5168  df-mpt 5187  df-id 5546  df-xp 5657  df-rel 5658  df-cnv 5659  df-co 5660  df-dm 5661  df-rn 5662  df-iota 6494  df-fun 6540  df-fv 6546  df-1st 8001  df-vtx 29576
This theorem is used by:  graop  29607  vtxvalsnop  29619  uhgrspanop  29877  fusgrfis  29911  cusgrsize  30035  fusgrmaxsize  30045  vtxdgop  30051  vtxdginducedm1  30124  vtxdginducedm1fi  30125  finsumvtxdg2ssteplem4  30129  finsumvtxdg2size  30131  eupth2lem3  30837  konigsberglem1  30853  konigsberglem2  30854  konigsberglem3  30855
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