Description: The set G of the "simple pseudographs" with a fixed set of vertices V and the class P of subsets of the set of pairs over the fixed set V are equinumerous. (Contributed by AV, 27-Nov-2021)
Ref | Expression | ||
---|---|---|---|
Hypotheses | uspgrsprf.p | ||
uspgrsprf.g | |||
Assertion | uspgrspren |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | uspgrsprf.p | ||
2 | uspgrsprf.g | ||
3 | 1 2 | uspgrbispr | |
4 | bren | ||
5 | 3 4 | sylibr |