Theorem 1ex 7761

Description: 1 is a set. Common special case. (Contributed by David A. Wheeler, 7-Jul-2016.)

Assertion

Ref	Expression
1ex	⊢ 1 ∈ V

Proof of Theorem 1ex

Step	Hyp	Ref	Expression
1		ax-1cn 7713	. 2 ⊢ 1 ∈ ℂ
2	1	elexi 2698	1 ⊢ 1 ∈ V

Syntax hints:   ∈ wcel 1480  Vcvv 2686  ℂcc 7618  1c1 7621

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-5 1423  ax-gen 1425  ax-ie1 1469  ax-ie2 1470  ax-8 1482  ax-4 1487  ax-17 1506  ax-i9 1510  ax-ial 1514  ax-ext 2121  ax-1cn 7713

This theorem depends on definitions:  df-bi 116  df-sb 1736  df-clab 2126  df-cleq 2132  df-clel 2135  df-v 2688

This theorem is referenced by:  nn1suc  8739  nn0ind-raph  9168  fzprval  9862  fztpval  9863  m1expcl2  10315  1exp  10322  facnn  10473  fac0  10474  prhash2ex  10555  prodf1f  11312  ege2le3  11377  1nprm  11795  dvexp  12844  dvef  12856  isomninnlem  13225