Metamath Proof Explorer


Theorem p0exALT

Description: Alternate proof of p0ex which is quite different and longer if snexALT is expanded. (Contributed by NM, 23-Dec-1993) (Proof modification is discouraged.) (New usage is discouraged.)

Ref Expression
Assertion p0exALT { ∅ } ∈ V

Proof

Step Hyp Ref Expression
1 snexALT { ∅ } ∈ V