Theorem nnrei 8115

Description: A positive integer is a real number. (Contributed by NM, 18-Aug-1999.)

Hypothesis

Ref	Expression
nnre.1	|- A e. NN

Assertion

Ref	Expression
nnrei	|- A e. RR

Proof of Theorem nnrei

Step	Hyp	Ref	Expression
1		nnre.1	. 2 |- A e. NN
2		nnre 8113	. 2 |- ( A e. NN -> A e. RR )
3	1, 2	ax-mp 7	1 |- A e. RR

Syntax hints:   e. wcel 1434   RRcr 7042   NNcn 8106

This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-io 663  ax-5 1377  ax-7 1378  ax-gen 1379  ax-ie1 1423  ax-ie2 1424  ax-8 1436  ax-10 1437  ax-11 1438  ax-i12 1439  ax-bndl 1440  ax-4 1441  ax-17 1460  ax-i9 1464  ax-ial 1468  ax-i5r 1469  ax-ext 2064  ax-sep 3904  ax-cnex 7129  ax-resscn 7130  ax-1re 7132  ax-addrcl 7135

This theorem depends on definitions:  df-bi 115  df-tru 1288  df-nf 1391  df-sb 1687  df-clab 2069  df-cleq 2075  df-clel 2078  df-nfc 2209  df-ral 2354  df-v 2604  df-in 2980  df-ss 2987  df-int 3645  df-inn 8107

This theorem is referenced by:  nncni  8116  nnne0i  8137  10re  8576  numlt  8582  numltc  8583