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| Mirrors > Home > ILE Home > Th. List > posdif | Unicode version | ||
| Description: Comparison of two numbers whose difference is positive. (Contributed by NM, 17-Nov-2004.) |
| Ref | Expression |
|---|---|
| posdif |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | resubcl 8421 |
. . . 4
| |
| 2 | 1 | ancoms 268 |
. . 3
|
| 3 | simpl 109 |
. . 3
| |
| 4 | ltaddpos 8610 |
. . 3
| |
| 5 | 2, 3, 4 | syl2anc 411 |
. 2
|
| 6 | recn 8143 |
. . . 4
| |
| 7 | recn 8143 |
. . . 4
| |
| 8 | pncan3 8365 |
. . . 4
| |
| 9 | 6, 7, 8 | syl2an 289 |
. . 3
|
| 10 | 9 | breq2d 4095 |
. 2
|
| 11 | 5, 10 | bitr2d 189 |
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 8101 ax-resscn 8102 ax-1cn 8103 ax-1re 8104 ax-icn 8105 ax-addcl 8106 ax-addrcl 8107 ax-mulcl 8108 ax-addcom 8110 ax-addass 8112 ax-distr 8114 ax-i2m1 8115 ax-0id 8118 ax-rnegex 8119 ax-cnre 8121 ax-pre-ltadd 8126 |
| 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-reu 2515 df-rab 2517 df-v 2801 df-sbc 3029 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-id 4384 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-iota 5278 df-fun 5320 df-fv 5326 df-riota 5960 df-ov 6010 df-oprab 6011 df-mpo 6012 df-pnf 8194 df-mnf 8195 df-ltxr 8197 df-sub 8330 df-neg 8331 |
| This theorem is referenced by: posdifi 8656 posdifd 8690 nnsub 9160 znnsub 9509 difrp 9900 xposdif 10090 eluzgtdifelfzo 10415 subfzo0 10460 pfxccatin12lem3 11279 efltim 12224 cos01gt0 12289 ndvdsadd 12457 nn0seqcvgd 12578 sinq12gt0 15519 cosq14gt0 15521 logdivlti 15570 perfectlem2 15689 |
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