Theorem rpssre 9621

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 9617	. 2 |- ( x e. RR+ -> x e. RR )
2	1	ssriv 3151	1 |- RR+ C_ RR

Syntax hints:   C_ wss 3121   RRcr 7773   RR+crp 9610

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 704  ax-5 1440  ax-7 1441  ax-gen 1442  ax-ie1 1486  ax-ie2 1487  ax-8 1497  ax-10 1498  ax-11 1499  ax-i12 1500  ax-bndl 1502  ax-4 1503  ax-17 1519  ax-i9 1523  ax-ial 1527  ax-i5r 1528  ax-ext 2152

This theorem depends on definitions:  df-bi 116  df-nf 1454  df-sb 1756  df-clab 2157  df-cleq 2163  df-clel 2166  df-nfc 2301  df-rab 2457  df-in 3127  df-ss 3134  df-rp 9611

This theorem is referenced by:  rpred  9653  rpexpcl  10495  resqrexlemcvg  10983  resqrexlemsqa  10988  fsumrpcl  11367  fprodrpcl  11574