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 GUSGraphGUHGraph

Proof

Step Hyp Ref Expression
1 usgrupgr GUSGraphGUPGraph
2 upgruhgr GUPGraphGUHGraph
3 1 2 syl GUSGraphGUHGraph