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| Mirrors > Home > ILE Home > Th. List > gt0ne0d | Unicode version | ||
| Description: Positive implies nonzero. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| gt0ne0d.1 |
|
| Ref | Expression |
|---|---|
| gt0ne0d |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0re 8326 |
. 2
| |
| 2 | gt0ne0d.1 |
. 2
| |
| 3 | ltne 8410 |
. 2
| |
| 4 | 1, 2, 3 | sylancr 418 |
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-in1 623 ax-in2 624 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-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-cnex 8270 ax-resscn 8271 ax-1re 8273 ax-addrcl 8276 ax-rnegex 8288 ax-pre-ltirr 8291 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-opab 4193 df-xp 4780 df-pnf 8362 df-mnf 8363 df-ltxr 8365 |
| This theorem is used by: sup3exmid 9287 modqval 10761 modqvalr 10762 modqcl 10763 flqpmodeq 10764 modq0 10766 modqge0 10769 modqlt 10770 modqdiffl 10772 modqdifz 10773 modqvalp1 10780 modqid 10786 modqcyc 10796 modqadd1 10798 modqmuladd 10803 modqmuladdnn0 10805 modqmul1 10814 modqdi 10829 modqsubdir 10830 ennnfonelemp1 13297 dichmul0orlem5 16757 dichmul0orlem6 16758 |
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