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Theorem rrpsscn 43836
Description: The positive reals are a subset of the complex numbers. (Contributed by Glauco Siliprandi, 29-Jun-2017.)
Assertion
Ref Expression
rrpsscn + ⊆ ℂ

Proof of Theorem rrpsscn
StepHypRef Expression
1 rpcn 12926 . 2 (𝑥 ∈ ℝ+𝑥 ∈ ℂ)
21ssriv 3949 1 + ⊆ ℂ
Colors of variables: wff setvar class
Syntax hints:  wss 3911  cc 11050  +crp 12916
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2109  ax-9 2117  ax-ext 2708  ax-resscn 11109
This theorem depends on definitions:  df-bi 206  df-an 398  df-tru 1545  df-ex 1783  df-sb 2069  df-clab 2715  df-cleq 2729  df-clel 2815  df-rab 3409  df-v 3448  df-in 3918  df-ss 3928  df-rp 12917
This theorem is referenced by:  stirlinglem8  44329
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