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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 10083 | . 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 4131 0cc0 8185 ≤ cle 8367 ℝ+crp 10070 |
| 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 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8276 ax-resscn 8277 ax-1re 8279 ax-addrcl 8282 ax-rnegex 8294 ax-pre-ltirr 8297 ax-pre-lttrn 8299 |
| 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 4132 df-opab 4194 df-xp 4782 df-cnv 4784 df-pnf 8368 df-mnf 8369 df-xr 8370 df-ltxr 8371 df-le 8372 df-rp 10071 |
| This theorem is used by: rprege0d 10121 resqrexlemnm 11805 bdtrilem 12029 isumrpcl 12285 expcnvap0 12293 absgtap 12301 cvgratnnlemrate 12321 cvgratz 12323 4sqlem7 13191 ivthinclemlopn 15879 ivthinclemuopn 15881 limcimolemlt 15907 rpcxpsqrt 16174 rpabscxpbnd 16192 birthdaylem3 16244 chtqge0 16264 chtqwordi 16280 bposlem1 16328 bposlem2 16329 bposlem4 16331 bposlem5 16332 bposlem6 16333 bposlem7 16334 bposlem9 16336 lgsquadlem2 16419 trilpolemclim 17309 trilpolemisumle 17311 trilpolemeq1 17313 trilpolemlt1 17314 nconstwlpolemgt0 17338 |
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