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