Theorem p0exALT 5346

Description: Alternate proof of p0ex 5345 which is quite different and longer if snexALT 5344 is expanded. (Contributed by NM, 23-Dec-1993.) (Proof modification is discouraged.) (New usage is discouraged.)

Assertion

Ref	Expression
p0exALT	⊢ {∅} ∈ V

Proof of Theorem p0exALT

Step	Hyp	Ref	Expression
1		snexALT 5344	1 ⊢ {∅} ∈ V

This proof depends on syntax axioms:   ∈ wcel 2144  Vcvv 3450  ∅c0 4278  {csn 4583

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-ext 2732  ax-sep 5248  ax-nul 5259  ax-pow 5326

This proof depends on definitions:  df-bi 210  df-an 402  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-sb 2099  df-clab 2739  df-cleq 2752  df-clel 2835  df-rab 3413  df-v 3452  df-ss 3896  df-dif 4047  df-in 4091  df-nul 4279  df-pw 4558  df-sn 4584

This theorem is used by: (None)