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 e. USGraph -> G e. UHGraph ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | usgrupgr | |- ( G e. USGraph -> G e. UPGraph ) |
|
2 | upgruhgr | |- ( G e. UPGraph -> G e. UHGraph ) |
|
3 | 1 2 | syl | |- ( G e. USGraph -> G e. UHGraph ) |