Theorem 2ex 9214

Description: 2 is a set (common case). (Contributed by David A. Wheeler, 8-Dec-2018.)

Assertion

Ref	Expression
2ex	|- 2 e. _V

Proof of Theorem 2ex

Step	Hyp	Ref	Expression
1		2cn 9213	. 2 |- 2 e. CC
2	1	elexi 2815	1 |- 2 e. _V

Syntax hints:   e. wcel 2202   _Vcvv 2802   CCcc 8029   2c2 9193

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-11 1554  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-ext 2213  ax-resscn 8123  ax-1re 8125  ax-addrcl 8128

This theorem depends on definitions:  df-bi 117  df-nf 1509  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-v 2804  df-in 3206  df-ss 3213  df-2 9201

This theorem is referenced by:  fzprval  10316  fztpval  10317  2lgslem4  15831