Theorem rpssre 9445

Description: The positive reals are a subset of the reals. (Contributed by NM, 24-Feb-2008.)

Assertion

Ref	Expression
rpssre	|- RR+ C_ RR

Proof of Theorem rpssre

Step	Hyp	Ref	Expression
1		rpre 9441	. 2 |- ( x e. RR+ -> x e. RR )
2	1	ssriv 3096	1 |- RR+ C_ RR

Syntax hints:   C_ wss 3066   RRcr 7612   RR+crp 9434

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-io 698  ax-5 1423  ax-7 1424  ax-gen 1425  ax-ie1 1469  ax-ie2 1470  ax-8 1482  ax-10 1483  ax-11 1484  ax-i12 1485  ax-bndl 1486  ax-4 1487  ax-17 1506  ax-i9 1510  ax-ial 1514  ax-i5r 1515  ax-ext 2119

This theorem depends on definitions:  df-bi 116  df-nf 1437  df-sb 1736  df-clab 2124  df-cleq 2130  df-clel 2133  df-nfc 2268  df-rab 2423  df-in 3072  df-ss 3079  df-rp 9435

This theorem is referenced by:  rpred  9476  rpexpcl  10305  resqrexlemcvg  10784  resqrexlemsqa  10789  fsumrpcl  11166