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Theorem nnrei 8914
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 8912 . 2 (𝐴 ∈ ℕ → 𝐴 ∈ ℝ)
31, 2ax-mp 5 1 𝐴 ∈ ℝ
Colors of variables: wff set class
Syntax hints:  wcel 2148  cr 7798  cn 8905
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 709  ax-5 1447  ax-7 1448  ax-gen 1449  ax-ie1 1493  ax-ie2 1494  ax-8 1504  ax-10 1505  ax-11 1506  ax-i12 1507  ax-bndl 1509  ax-4 1510  ax-17 1526  ax-i9 1530  ax-ial 1534  ax-i5r 1535  ax-ext 2159  ax-sep 4118  ax-cnex 7890  ax-resscn 7891  ax-1re 7893  ax-addrcl 7896
This theorem depends on definitions:  df-bi 117  df-tru 1356  df-nf 1461  df-sb 1763  df-clab 2164  df-cleq 2170  df-clel 2173  df-nfc 2308  df-ral 2460  df-v 2739  df-in 3135  df-ss 3142  df-int 3843  df-inn 8906
This theorem is referenced by:  nncni  8915  nnap0i  8936  nnne0i  8937  10re  9388  numlt  9394  numltc  9395  ef01bndlem  11745  pockthi  12336  strleun  12542  strle1g  12543  2strbasg  12554  2stropg  12555  tsetndxnbasendx  12610  dsndxnbasendx  12627
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