Theorem rpregt0 10068

Description: A positive real is a positive real number. (Contributed by NM, 11-Nov-2008.) (Revised by Mario Carneiro, 31-Jan-2014.)

Assertion

Ref	Expression
rpregt0	|- ( A e. RR+ -> ( A e. RR /\ 0 < A ) )

Proof of Theorem rpregt0

Step	Hyp	Ref	Expression
1		elrp 10056	. 2 |- ( A e. RR+ <-> ( A e. RR /\ 0 < A ) )
2	1	biimpi 120	1 |- ( A e. RR+ -> ( A e. RR /\ 0 < A ) )

This proof depends on syntax axioms:   -> wi 4   /\ wa 104   e. wcel 2209   class class class wbr 4130   RRcr 8178   0cc0 8179   < clt 8360   RR+crp 10054

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-ext 2220

This proof depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-nf 1514  df-sb 1816  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-rab 2537  df-v 2823  df-un 3224  df-sn 3715  df-pr 3716  df-op 3718  df-br 4131  df-rp 10055

This theorem is used by:  rpne0  10070  divlt1lt  10125  divle1le  10126  ledivge1le  10127  nnledivrp  10167  expnlbnd  11102  isprm6  12925