ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  rpcn GIF version

Theorem rpcn 9991
Description: A positive real is a complex number. (Contributed by NM, 11-Nov-2008.)
Assertion
Ref Expression
rpcn (𝐴 ∈ ℝ+𝐴 ∈ ℂ)

Proof of Theorem rpcn
StepHypRef Expression
1 rpre 9989 . 2 (𝐴 ∈ ℝ+𝐴 ∈ ℝ)
21recnd 8298 1 (𝐴 ∈ ℝ+𝐴 ∈ ℂ)
Colors of variables: wff set class
Syntax hints:  wi 4  wcel 2203  cc 8121  +crp 9982
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-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-ext 2214  ax-resscn 8215
This theorem depends on definitions:  df-bi 117  df-nf 1510  df-sb 1812  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-rab 2529  df-in 3216  df-ss 3223  df-rp 9983
This theorem is referenced by:  rpcnne0  10002  rpcnap0  10003  divge1  10052  sqrtdiv  11720  efgt1p2  12374  efgt1p  12375  pilem1  15631  rpcxp0  15750  rpcxp1  15751  cxprec  15762  rplogbval  15797  rprelogbdiv  15809
  Copyright terms: Public domain W3C validator