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Theorem rpcn 10001
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 9999 . 2 (𝐴 ∈ ℝ+𝐴 ∈ ℝ)
21recnd 8307 1 (𝐴 ∈ ℝ+𝐴 ∈ ℂ)
Colors of variables: wff set class
Syntax hints:  wi 4  wcel 2205  cc 8130  +crp 9992
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 2216  ax-resscn 8224
This theorem depends on definitions:  df-bi 117  df-nf 1510  df-sb 1812  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-rab 2531  df-in 3219  df-ss 3226  df-rp 9993
This theorem is referenced by:  rpcnne0  10012  rpcnap0  10013  divge1  10062  sqrtdiv  11735  efgt1p2  12389  efgt1p  12390  pilem1  15693  rpcxp0  15812  rpcxp1  15813  cxprec  15824  rplogbval  15859  rprelogbdiv  15871
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