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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 10107 |
. 2
|
| 3 | 1 | rpgt0d 10110 |
. 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 4131 df-rp 10065 |
| This theorem is used by: reclt1d 10121 recgt1d 10122 ltrecd 10126 lerecd 10127 ltrec1d 10128 lerec2d 10129 lediv2ad 10130 ltdiv2d 10131 lediv2d 10132 ledivdivd 10133 divge0d 10148 ltmul1d 10149 ltmul2d 10150 lemul1d 10151 lemul2d 10152 ltdiv1d 10153 lediv1d 10154 ltmuldivd 10155 ltmuldiv2d 10156 lemuldivd 10157 lemuldiv2d 10158 ltdivmuld 10159 ltdivmul2d 10160 ledivmuld 10161 ledivmul2d 10162 ltdiv23d 10168 lediv23d 10169 lt2mul2divd 10176 mertenslemi1 12318 isprm6 12942 birthdaylem3 16146 bcmono 16202 |
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