Theorem rusgrusgr 29544

Description: A k-regular simple graph is a simple graph. (Contributed by Alexander van der Vekens, 8-Jul-2018.) (Revised by AV, 18-Dec-2020.)

Assertion

Ref	Expression
rusgrusgr	⊢ (𝐺 RegUSGraph 𝐾 → 𝐺 ∈ USGraph)

Proof of Theorem rusgrusgr

Step	Hyp	Ref	Expression
1		rusgrprop 29542	. 2 ⊢ (𝐺 RegUSGraph 𝐾 → (𝐺 ∈ USGraph ∧ 𝐺 RegGraph 𝐾))
2	1	simpld 494	1 ⊢ (𝐺 RegUSGraph 𝐾 → 𝐺 ∈ USGraph)

Syntax hints:   → wi 4   ∈ wcel 2111   class class class wbr 5091  USGraphcusgr 29128   RegGraph crgr 29535   RegUSGraph crusgr 29536

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2113  ax-9 2121  ax-ext 2703  ax-sep 5234  ax-nul 5244  ax-pr 5370

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-sb 2068  df-clab 2710  df-cleq 2723  df-clel 2806  df-ral 3048  df-rex 3057  df-rab 3396  df-v 3438  df-dif 3905  df-un 3907  df-ss 3919  df-nul 4284  df-if 4476  df-sn 4577  df-pr 4579  df-op 4583  df-br 5092  df-opab 5154  df-xp 5622  df-rusgr 29538

This theorem is referenced by:  finrusgrfusgr  29545  rusgr0edg  29952  rusgrnumwwlks  29953  rusgrnumwwlk  29954  rusgrnumwlkg  29956  numclwwlk1  30339  clwlknon2num  30346  numclwlk1lem1  30347  numclwlk1lem2  30348