Theorem ren0 46230

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 11234	. 2 ⊢ 0 ∈ ℝ
2	1	ne0ii 4290	1 ⊢ ℝ ≠ ∅

This proof depends on syntax axioms:   ≠ wne 2955  ∅c0 4279  ℝcr 11123  0cc0 11124

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 2147  ax-9 2155  ax-ext 2732  ax-1cn 11182  ax-addrcl 11185  ax-rnegex 11195  ax-cnre 11197

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 2739  df-cleq 2752  df-clel 2835  df-ne 2956  df-rex 3087  df-dif 3902  df-nul 4280

This theorem is used by:  limsup0  46522  limsuppnfdlem  46529  limsup10ex  46601  liminf10ex  46602