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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 10253 | . 2 ⊢ 0 ∈ ℝ | |
2 | 1 | ne0ii 4067 | 1 ⊢ ℝ ≠ ∅ |
Colors of variables: wff setvar class |
Syntax hints: ≠ wne 2933 ∅c0 4059 ℝcr 10148 0cc0 10149 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1871 ax-4 1886 ax-5 1989 ax-6 2055 ax-7 2091 ax-9 2149 ax-10 2169 ax-11 2184 ax-12 2197 ax-13 2392 ax-ext 2741 ax-1cn 10207 ax-icn 10208 ax-addcl 10209 ax-addrcl 10210 ax-mulcl 10211 ax-mulrcl 10212 ax-i2m1 10217 ax-1ne0 10218 ax-rnegex 10220 ax-rrecex 10221 ax-cnre 10222 |
This theorem depends on definitions: df-bi 197 df-or 384 df-an 385 df-3an 1074 df-tru 1635 df-ex 1854 df-nf 1859 df-sb 2048 df-clab 2748 df-cleq 2754 df-clel 2757 df-nfc 2892 df-ne 2934 df-ral 3056 df-rex 3057 df-rab 3060 df-v 3343 df-dif 3719 df-un 3721 df-in 3723 df-ss 3730 df-nul 4060 df-if 4232 df-sn 4323 df-pr 4325 df-op 4329 df-uni 4590 df-br 4806 df-iota 6013 df-fv 6058 df-ov 6818 |
This theorem is referenced by: limsup0 40448 limsuppnfdlem 40455 limsup10ex 40527 liminf10ex 40528 |
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