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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 10009 | . 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 2205 class class class wbr 4114 ℝcr 8142 0cc0 8143 < clt 8324 ℝ+crp 10007 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-rab 2531 df-v 2817 df-un 3218 df-sn 3700 df-pr 3701 df-op 3703 df-br 4115 df-rp 10008 |
| This theorem is referenced by: rpge0 10020 rpap0 10024 rpgecl 10036 0nrp 10043 rpgt0d 10053 addlelt 10122 rpsqrtcl 11754 rpmaxcl 11936 rpmincl 11951 xrminrpcl 11987 climconst 12003 sinltxirr 12475 blcntrps 15409 blcntr 15410 bdmet 15496 bdmopn 15498 reeff1o 15767 coseq00topi 15829 coseq0negpitopi 15830 |
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