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Theorem nnrei 9045
Description: A positive integer is a real number. (Contributed by NM, 18-Aug-1999.)
Hypothesis
Ref Expression
nnre.1 𝐴 ∈ ℕ
Assertion
Ref Expression
nnrei 𝐴 ∈ ℝ

Proof of Theorem nnrei
StepHypRef Expression
1 nnre.1 . 2 𝐴 ∈ ℕ
2 nnre 9043 . 2 (𝐴 ∈ ℕ → 𝐴 ∈ ℝ)
31, 2ax-mp 5 1 𝐴 ∈ ℝ
Colors of variables: wff set class
Syntax hints:  wcel 2176  cr 7924  cn 9036
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 711  ax-5 1470  ax-7 1471  ax-gen 1472  ax-ie1 1516  ax-ie2 1517  ax-8 1527  ax-10 1528  ax-11 1529  ax-i12 1530  ax-bndl 1532  ax-4 1533  ax-17 1549  ax-i9 1553  ax-ial 1557  ax-i5r 1558  ax-ext 2187  ax-sep 4162  ax-cnex 8016  ax-resscn 8017  ax-1re 8019  ax-addrcl 8022
This theorem depends on definitions:  df-bi 117  df-tru 1376  df-nf 1484  df-sb 1786  df-clab 2192  df-cleq 2198  df-clel 2201  df-nfc 2337  df-ral 2489  df-v 2774  df-in 3172  df-ss 3179  df-int 3886  df-inn 9037
This theorem is referenced by:  nncni  9046  nnap0i  9067  nnne0i  9068  10re  9522  numlt  9528  numltc  9529  ef01bndlem  12067  pockthi  12681  strleun  12936  strle1g  12938  2strbasg  12952  2stropg  12953  tsetndxnbasendx  13023  plendxnbasendx  13037  dsndxnbasendx  13052  unifndxnbasendx  13062  slotsdifunifndx  13064  basendxnedgfndx  15610  struct2slots2dom  15635
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