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| Mirrors > Home > ILE Home > Th. List > rpregt0d | Unicode version | ||
| Description: A positive real is real and greater than zero. (Contributed by Mario Carneiro, 28-May-2016.) |
| Ref | Expression |
|---|---|
| rpred.1 |
|
| Ref | Expression |
|---|---|
| rpregt0d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rpred.1 |
. . 3
| |
| 2 | 1 | rpred 10114 |
. 2
|
| 3 | 1 | rpgt0d 10117 |
. 2
|
| 4 | 2, 3 | jca 306 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rab 2537 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-sn 3715 df-pr 3716 df-op 3718 df-br 4132 df-rp 10072 |
| This theorem is used by: reclt1d 10128 recgt1d 10129 ltrecd 10133 lerecd 10134 ltrec1d 10135 lerec2d 10136 lediv2ad 10137 ltdiv2d 10138 lediv2d 10139 ledivdivd 10140 divge0d 10155 ltmul1d 10156 ltmul2d 10157 lemul1d 10158 lemul2d 10159 ltdiv1d 10160 lediv1d 10161 ltmuldivd 10162 ltmuldiv2d 10163 lemuldivd 10164 lemuldiv2d 10165 ltdivmuld 10166 ltdivmul2d 10167 ledivmuld 10168 ledivmul2d 10169 ltdiv23d 10175 lediv23d 10176 lt2mul2divd 10183 mertenslemi1 12327 isprm6 12951 birthdaylem3 16227 bcmono 16304 |
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