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| Mirrors > Home > ILE Home > Th. List > rpge0d | GIF version | ||
| Description: A positive real is greater than or equal to zero. (Contributed by Mario Carneiro, 28-May-2016.) |
| Ref | Expression |
|---|---|
| rpred.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ+) |
| Ref | Expression |
|---|---|
| rpge0d | ⊢ (𝜑 → 0 ≤ 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rpred.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ+) | |
| 2 | rpge0 10078 | . 2 ⊢ (𝐴 ∈ ℝ+ → 0 ≤ 𝐴) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → 0 ≤ 𝐴) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2209 class class class wbr 4130 0cc0 8180 ≤ cle 8362 ℝ+crp 10065 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-cnex 8271 ax-resscn 8272 ax-1re 8274 ax-addrcl 8277 ax-rnegex 8289 ax-pre-ltirr 8292 ax-pre-lttrn 8294 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-opab 4193 df-xp 4780 df-cnv 4782 df-pnf 8363 df-mnf 8364 df-xr 8365 df-ltxr 8366 df-le 8367 df-rp 10066 |
| This theorem is used by: rprege0d 10116 resqrexlemnm 11800 bdtrilem 12024 isumrpcl 12280 expcnvap0 12288 absgtap 12296 cvgratnnlemrate 12316 cvgratz 12318 4sqlem7 13186 ivthinclemlopn 15828 ivthinclemuopn 15830 limcimolemlt 15856 rpcxpsqrt 16119 rpabscxpbnd 16137 birthdaylem3 16188 chtqge0 16208 chtqwordi 16224 bposlem1 16272 bposlem2 16273 bposlem4 16275 bposlem5 16276 bposlem6 16277 bposlem7 16278 bposlem9 16280 lgsquadlem2 16363 trilpolemclim 17252 trilpolemisumle 17254 trilpolemeq1 17256 trilpolemlt1 17257 nconstwlpolemgt0 17281 |
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