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Theorem rpssxr 45926
Description: The positive reals are a subset of the extended reals. (Contributed by Glauco Siliprandi, 5-Feb-2022.)
Assertion
Ref Expression
rpssxr + ⊆ ℝ*

Proof of Theorem rpssxr
StepHypRef Expression
1 rpssre 12941 . 2 + ⊆ ℝ
2 ressxr 11180 . 2 ℝ ⊆ ℝ*
31, 2sstri 3932 1 + ⊆ ℝ*
Colors of variables: wff setvar class
Syntax hints:  wss 3890  cr 11028  *cxr 11169  +crp 12933
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-ext 2709
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-tru 1545  df-ex 1782  df-sb 2069  df-clab 2716  df-cleq 2729  df-clel 2812  df-rab 3391  df-v 3432  df-un 3895  df-ss 3907  df-xr 11174  df-rp 12934
This theorem is referenced by:  cnrefiisplem  46275
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