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Theorem rpssre 9960
Description: The positive reals are a subset of the reals. (Contributed by NM, 24-Feb-2008.)
Assertion
Ref Expression
rpssre + ⊆ ℝ

Proof of Theorem rpssre
StepHypRef Expression
1 rpre 9956 . 2 (𝑥 ∈ ℝ+𝑥 ∈ ℝ)
21ssriv 3232 1 + ⊆ ℝ
Colors of variables: wff set class
Syntax hints:  wss 3201  cr 8091  +crp 9949
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-ext 2213
This theorem depends on definitions:  df-bi 117  df-nf 1510  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2364  df-rab 2520  df-in 3207  df-ss 3214  df-rp 9950
This theorem is referenced by:  rpred  9992  rpexpcl  10883  resqrexlemcvg  11659  resqrexlemsqa  11664  fsumrpcl  12045  fprodrpcl  12252  metuex  14651
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