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| Mirrors > Home > ILE Home > Th. List > rpgt0 | GIF version | ||
| Description: A positive real is greater than zero. (Contributed by FL, 27-Dec-2007.) |
| Ref | Expression |
|---|---|
| rpgt0 | ⊢ (𝐴 ∈ ℝ+ → 0 < 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elrp 9895 | . 2 ⊢ (𝐴 ∈ ℝ+ ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴)) | |
| 2 | 1 | simprbi 275 | 1 ⊢ (𝐴 ∈ ℝ+ → 0 < 𝐴) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∈ wcel 2201 class class class wbr 4089 ℝcr 8036 0cc0 8037 < clt 8219 ℝ+crp 9893 |
| 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-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2212 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1810 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-rab 2518 df-v 2803 df-un 3203 df-sn 3676 df-pr 3677 df-op 3679 df-br 4090 df-rp 9894 |
| This theorem is referenced by: rpge0 9906 rpap0 9910 rpgecl 9922 0nrp 9929 rpgt0d 9939 addlelt 10008 rpsqrtcl 11624 rpmaxcl 11806 rpmincl 11821 xrminrpcl 11857 climconst 11873 sinltxirr 12345 blcntrps 15168 blcntr 15169 bdmet 15255 bdmopn 15257 reeff1o 15526 coseq00topi 15588 coseq0negpitopi 15589 |
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