Description: Elementhood in the set of finite bags. (Contributed by Mario Carneiro, 29-Dec-2014)
Ref | Expression | ||
---|---|---|---|
Hypothesis | psrbag.d | |
|
Assertion | psrbag | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | psrbag.d | |
|
2 | cnveq | |
|
3 | 2 | imaeq1d | |
4 | 3 | eleq1d | |
5 | 4 1 | elrab2 | |
6 | nn0ex | |
|
7 | elmapg | |
|
8 | 6 7 | mpan | |
9 | 8 | anbi1d | |
10 | 5 9 | bitrid | |