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 ∈ 𝑉 → { 𝑥 ∈ 𝐴 ∣ 𝜑 } ∈ V ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rabelpw | ⊢ ( 𝐴 ∈ 𝑉 → { 𝑥 ∈ 𝐴 ∣ 𝜑 } ∈ 𝒫 𝐴 ) | |
2 | 1 | elexd | ⊢ ( 𝐴 ∈ 𝑉 → { 𝑥 ∈ 𝐴 ∣ 𝜑 } ∈ V ) |