Description: Separation Scheme in terms of a restricted class abstraction. (Contributed by NM, 19-Jul-1996)
Ref | Expression | ||
---|---|---|---|
Hypothesis | rabex.1 | |- A e. _V |
|
Assertion | rabex | |- { x e. A | ph } e. _V |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rabex.1 | |- A e. _V |
|
2 | rabexg | |- ( A e. _V -> { x e. A | ph } e. _V ) |
|
3 | 1 2 | ax-mp | |- { x e. A | ph } e. _V |