Theorem p0exALT 5355

Description: Alternate proof of p0ex 5354 which is quite different and longer if snexALT 5353 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 5353	1 ⊢ {∅} ∈ V

This proof depends on syntax axioms:   ∈ wcel 2142  Vcvv 3454  ∅c0 4285  {csn 4588

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1824  ax-4 1838  ax-5 1939  ax-6 1996  ax-7 2037  ax-8 2144  ax-9 2152  ax-ext 2734  ax-sep 5256  ax-nul 5268  ax-pow 5335

This proof depends on definitions:  df-bi 210  df-an 401  df-3an 1104  df-tru 1572  df-fal 1582  df-ex 1809  df-sb 2096  df-clab 2741  df-cleq 2754  df-clel 2837  df-rab 3416  df-v 3456  df-dif 3907  df-in 3911  df-ss 3921  df-nul 4286  df-pw 4563  df-sn 4589

This theorem is used by: (None)