Description: Separation Scheme in terms of a restricted class abstraction. (Contributed by NM, 23-Oct-1999) (Proof shortened by BJ, 24-Jul-2025)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | rabexg | |- ( A e. V -> { x e. A | ph } e. _V ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rabelpw | |- ( A e. V -> { x e. A | ph } e. ~P A ) |
|
| 2 | 1 | elexd | |- ( A e. V -> { x e. A | ph } e. _V ) |