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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 9994 | . 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 4111 ℝcr 8131 0cc0 8132 < clt 8313 ℝ+crp 9992 |
| 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 3217 df-sn 3697 df-pr 3698 df-op 3700 df-br 4112 df-rp 9993 |
| This theorem is referenced by: rpge0 10005 rpap0 10009 rpgecl 10021 0nrp 10028 rpgt0d 10038 addlelt 10107 rpsqrtcl 11734 rpmaxcl 11916 rpmincl 11931 xrminrpcl 11967 climconst 11983 sinltxirr 12455 blcntrps 15329 blcntr 15330 bdmet 15416 bdmopn 15418 reeff1o 15687 coseq00topi 15749 coseq0negpitopi 15750 |
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