Theorem ren0 46174

Description: The set of reals is nonempty. (Contributed by Glauco Siliprandi, 23-Oct-2021.)

Assertion

Ref	Expression
ren0	⊢ ℝ ≠ ∅

Proof of Theorem ren0

Step	Hyp	Ref	Expression
1		0re 11225	. 2 ⊢ 0 ∈ ℝ
2	1	ne0ii 4297	1 ⊢ ℝ ≠ ∅

This proof depends on syntax axioms:   ≠ wne 2960  ∅c0 4286  ℝcr 11114  0cc0 11115

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2148  ax-9 2156  ax-ext 2737  ax-1cn 11173  ax-addrcl 11176  ax-rnegex 11186  ax-cnre 11188

This proof depends on definitions:  df-bi 210  df-an 402  df-tru 1573  df-fal 1583  df-ex 1813  df-sb 2100  df-clab 2744  df-cleq 2757  df-clel 2840  df-ne 2961  df-rex 3092  df-dif 3909  df-nul 4287

This theorem is used by:  limsup0  46466  limsuppnfdlem  46473  limsup10ex  46545  liminf10ex  46546