Description: Transfer uniqueness to a smaller class. (Contributed by NM, 21-Oct-2005)
Ref | Expression | ||
---|---|---|---|
Assertion | reuun1 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssun1 | |
|
2 | orc | |
|
3 | 2 | rgenw | |
4 | reuss2 | |
|
5 | 1 3 4 | mpanl12 | |