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Theorem rpssre 10082
Description: The positive reals are a subset of the reals. (Contributed by NM, 24-Feb-2008.)
Assertion
Ref Expression
rpssre ℝ+ ⊆ ℝ

Proof of Theorem rpssre
StepHypRef Expression
1 rpre 10078 . 2 (𝑥 ∈ ℝ+ → 𝑥 ∈ ℝ)
21ssriv 3252 1 ℝ+ ⊆ ℝ
Colors of variables:    wff set class
This proof depends on syntax axioms:   ⊆ wss 3220  ℝcr 8184  ℝ+crp 10071
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-nf 1514  df-sb 1816  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-rab 2537  df-in 3226  df-ss 3233  df-rp 10072
This theorem is used by:  rpred  10114  rpexpcl  11016  resqrexlemcvg  11807  resqrexlemsqa  11812  fsumrpcl  12196  fprodrpcl  12403  metuex  15001
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