Metamath Proof Explorer


Theorem elexd

Description: If a class is a member of another class, then it is a set. Deduction associated with elex . (Contributed by Glauco Siliprandi, 11-Oct-2020)

Ref Expression
Hypothesis elexd.1 ( 𝜑𝐴𝑉 )
Assertion elexd ( 𝜑𝐴 ∈ V )

Proof

Step Hyp Ref Expression
1 elexd.1 ( 𝜑𝐴𝑉 )
2 elex ( 𝐴𝑉𝐴 ∈ V )
3 1 2 syl ( 𝜑𝐴 ∈ V )