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Theorem rpssxr 46014
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 12994 . 2 + ⊆ ℝ
2 ressxr 11219 . 2 ℝ ⊆ ℝ*
31, 2sstri 3943 1 + ⊆ ℝ*
Colors of variables: wff setvar class
Syntax hints:  wss 3902  cr 11065  *cxr 11208  +crp 12986
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1814  ax-4 1828  ax-5 1929  ax-6 1986  ax-7 2027  ax-8 2143  ax-9 2151  ax-ext 2733
This theorem depends on definitions:  df-bi 209  df-an 400  df-or 859  df-tru 1562  df-ex 1799  df-sb 2090  df-clab 2740  df-cleq 2753  df-clel 2836  df-rab 3414  df-v 3455  df-un 3907  df-ss 3919  df-xr 11213  df-rp 12987
This theorem is referenced by:  cnrefiisplem  46363
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