Theorem 1ex 7022

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 6977	. 2 ⊢ 1 ∈ ℂ
2	1	elexi 2567	1 ⊢ 1 ∈ V

Syntax hints:   ∈ wcel 1393  Vcvv 2557  ℂcc 6887  1c1 6890

This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100  ax-ia3 101  ax-5 1336  ax-gen 1338  ax-ie1 1382  ax-ie2 1383  ax-8 1395  ax-4 1400  ax-17 1419  ax-i9 1423  ax-ial 1427  ax-ext 2022  ax-1cn 6977

This theorem depends on definitions:  df-bi 110  df-sb 1646  df-clab 2027  df-cleq 2033  df-clel 2036  df-v 2559

This theorem is referenced by:  nn1suc  7933  nn0ind-raph  8355  fzprval  8944  fztpval  8945  m1expcl2  9277  1exp  9284