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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 8146 |
. 2
| |
| 2 | gt0ne0d.1 |
. 2
| |
| 3 | ltne 8231 |
. 2
| |
| 4 | 1, 2, 3 | sylancr 414 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| 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-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4258 ax-pr 4293 ax-un 4524 ax-setind 4629 ax-cnex 8090 ax-resscn 8091 ax-1re 8093 ax-addrcl 8096 ax-rnegex 8108 ax-pre-ltirr 8111 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2801 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-br 4084 df-opab 4146 df-xp 4725 df-pnf 8183 df-mnf 8184 df-ltxr 8186 |
| This theorem is referenced by: sup3exmid 9104 modqval 10546 modqvalr 10547 modqcl 10548 flqpmodeq 10549 modq0 10551 modqge0 10554 modqlt 10555 modqdiffl 10557 modqdifz 10558 modqvalp1 10565 modqid 10571 modqcyc 10581 modqadd1 10583 modqmuladd 10588 modqmuladdnn0 10590 modqmul1 10599 modqdi 10614 modqsubdir 10615 ennnfonelemp1 12977 |
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