Metamath Proof Explorer


Theorem usgruhgr

Description: A simple graph is an undirected hypergraph. (Contributed by AV, 9-Feb-2018) (Revised by AV, 15-Oct-2020)

Ref Expression
Assertion usgruhgr G USGraph G UHGraph

Proof

Step Hyp Ref Expression
1 usgrupgr G USGraph G UPGraph
2 upgruhgr G UPGraph G UHGraph
3 1 2 syl G USGraph G UHGraph