| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > rpregt0d | GIF version | ||
| Description: A positive real is real and greater than zero. (Contributed by Mario Carneiro, 28-May-2016.) |
| Ref | Expression |
|---|---|
| rpred.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ+) |
| Ref | Expression |
|---|---|
| rpregt0d | ⊢ (𝜑 → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rpred.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ+) | |
| 2 | 1 | rpred 9931 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 3 | 1 | rpgt0d 9934 | . 2 ⊢ (𝜑 → 0 < 𝐴) |
| 4 | 2, 3 | jca 306 | 1 ⊢ (𝜑 → (𝐴 ∈ ℝ ∧ 0 < 𝐴)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∈ wcel 2202 class class class wbr 4088 ℝcr 8031 0cc0 8032 < clt 8214 ℝ+crp 9888 |
| 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 2213 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-rab 2519 df-v 2804 df-un 3204 df-in 3206 df-ss 3213 df-sn 3675 df-pr 3676 df-op 3678 df-br 4089 df-rp 9889 |
| This theorem is referenced by: reclt1d 9945 recgt1d 9946 ltrecd 9950 lerecd 9951 ltrec1d 9952 lerec2d 9953 lediv2ad 9954 ltdiv2d 9955 lediv2d 9956 ledivdivd 9957 divge0d 9972 ltmul1d 9973 ltmul2d 9974 lemul1d 9975 lemul2d 9976 ltdiv1d 9977 lediv1d 9978 ltmuldivd 9979 ltmuldiv2d 9980 lemuldivd 9981 lemuldiv2d 9982 ltdivmuld 9983 ltdivmul2d 9984 ledivmuld 9985 ledivmul2d 9986 ltdiv23d 9992 lediv23d 9993 lt2mul2divd 10000 mertenslemi1 12098 isprm6 12721 |
| Copyright terms: Public domain | W3C validator |