Description: An undirected pseudograph is an undirected hypergraph. (Contributed by Alexander van der Vekens, 27-Dec-2017) (Revised by AV, 10-Oct-2020)
Ref | Expression | ||
---|---|---|---|
Assertion | upgruhgr | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid | |
|
2 | eqid | |
|
3 | 1 2 | upgrf | |
4 | ssrab2 | |
|
5 | fss | |
|
6 | 3 4 5 | sylancl | |
7 | 1 2 | isuhgr | |
8 | 6 7 | mpbird | |