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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 9891 | . 2 ⊢ (𝐴 ∈ ℝ+ → 0 ≤ 𝐴) | |
| 3 | 1, 2 | syl 14 | 1 ⊢ (𝜑 → 0 ≤ 𝐴) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2200 class class class wbr 4086 0cc0 8022 ≤ cle 8205 ℝ+crp 9878 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-cnex 8113 ax-resscn 8114 ax-1re 8116 ax-addrcl 8119 ax-rnegex 8131 ax-pre-ltirr 8134 ax-pre-lttrn 8136 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2802 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-br 4087 df-opab 4149 df-xp 4729 df-cnv 4731 df-pnf 8206 df-mnf 8207 df-xr 8208 df-ltxr 8209 df-le 8210 df-rp 9879 |
| This theorem is referenced by: rprege0d 9929 resqrexlemnm 11569 bdtrilem 11790 isumrpcl 12045 expcnvap0 12053 absgtap 12061 cvgratnnlemrate 12081 cvgratz 12083 4sqlem7 12947 ivthinclemlopn 15350 ivthinclemuopn 15352 limcimolemlt 15378 rpcxpsqrt 15636 rpabscxpbnd 15654 lgsquadlem2 15797 trilpolemclim 16576 trilpolemisumle 16578 trilpolemeq1 16580 trilpolemlt1 16581 nconstwlpolemgt0 16604 |
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