Description: Deduction version of the power set axiom. (Contributed by Glauco Siliprandi, 26-Jun-2021)
Ref | Expression | ||
---|---|---|---|
Hypothesis | pwexd.1 | ⊢ ( 𝜑 → 𝐴 ∈ 𝑉 ) | |
Assertion | pwexd | ⊢ ( 𝜑 → 𝒫 𝐴 ∈ V ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pwexd.1 | ⊢ ( 𝜑 → 𝐴 ∈ 𝑉 ) | |
2 | pwexg | ⊢ ( 𝐴 ∈ 𝑉 → 𝒫 𝐴 ∈ V ) | |
3 | 1 2 | syl | ⊢ ( 𝜑 → 𝒫 𝐴 ∈ V ) |