Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > ren0 | Structured version Visualization version GIF version |
Description: The set of reals is nonempty. (Contributed by Glauco Siliprandi, 23-Oct-2021.) |
Ref | Expression |
---|---|
ren0 | ⊢ ℝ ≠ ∅ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0re 10637 | . 2 ⊢ 0 ∈ ℝ | |
2 | 1 | ne0ii 4302 | 1 ⊢ ℝ ≠ ∅ |
Colors of variables: wff setvar class |
Syntax hints: ≠ wne 3016 ∅c0 4290 ℝcr 10530 0cc0 10531 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-ext 2793 ax-1cn 10589 ax-addrcl 10592 ax-rnegex 10602 ax-cnre 10604 |
This theorem depends on definitions: df-bi 209 df-an 399 df-ex 1777 df-sb 2066 df-clab 2800 df-cleq 2814 df-clel 2893 df-ne 3017 df-ral 3143 df-rex 3144 df-dif 3938 df-nul 4291 |
This theorem is referenced by: limsup0 41968 limsuppnfdlem 41975 limsup10ex 42047 liminf10ex 42048 |
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