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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 10097 |
. 2
|
| 3 | 1 | rpgt0d 10100 |
. 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 10055 |
| This theorem is used by: reclt1d 10111 recgt1d 10112 ltrecd 10116 lerecd 10117 ltrec1d 10118 lerec2d 10119 lediv2ad 10120 ltdiv2d 10121 lediv2d 10122 ledivdivd 10123 divge0d 10138 ltmul1d 10139 ltmul2d 10140 lemul1d 10141 lemul2d 10142 ltdiv1d 10143 lediv1d 10144 ltmuldivd 10145 ltmuldiv2d 10146 lemuldivd 10147 lemuldiv2d 10148 ltdivmuld 10149 ltdivmul2d 10150 ledivmuld 10151 ledivmul2d 10152 ltdiv23d 10158 lediv23d 10159 lt2mul2divd 10166 mertenslemi1 12302 isprm6 12925 birthdaylem3 16089 |
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