Metamath Proof Explorer


Theorem rusgrrgr

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

Ref Expression
Assertion rusgrrgr ( 𝐺 RegUSGraph 𝐾𝐺 RegGraph 𝐾 )

Proof

Step Hyp Ref Expression
1 rusgrprop ( 𝐺 RegUSGraph 𝐾 → ( 𝐺 ∈ USGraph ∧ 𝐺 RegGraph 𝐾 ) )
2 1 simprd ( 𝐺 RegUSGraph 𝐾𝐺 RegGraph 𝐾 )