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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 8371 |
. . . 4
| |
| 2 | 1 | ancoms 268 |
. . 3
|
| 3 | simpl 109 |
. . 3
| |
| 4 | ltaddpos 8560 |
. . 3
| |
| 5 | 2, 3, 4 | syl2anc 411 |
. 2
|
| 6 | recn 8093 |
. . . 4
| |
| 7 | recn 8093 |
. . . 4
| |
| 8 | pncan3 8315 |
. . . 4
| |
| 9 | 6, 7, 8 | syl2an 289 |
. . 3
|
| 10 | 9 | breq2d 4071 |
. 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 615 ax-in2 616 ax-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2180 ax-14 2181 ax-ext 2189 ax-sep 4178 ax-pow 4234 ax-pr 4269 ax-un 4498 ax-setind 4603 ax-cnex 8051 ax-resscn 8052 ax-1cn 8053 ax-1re 8054 ax-icn 8055 ax-addcl 8056 ax-addrcl 8057 ax-mulcl 8058 ax-addcom 8060 ax-addass 8062 ax-distr 8064 ax-i2m1 8065 ax-0id 8068 ax-rnegex 8069 ax-cnre 8071 ax-pre-ltadd 8076 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-ne 2379 df-nel 2474 df-ral 2491 df-rex 2492 df-reu 2493 df-rab 2495 df-v 2778 df-sbc 3006 df-dif 3176 df-un 3178 df-in 3180 df-ss 3187 df-pw 3628 df-sn 3649 df-pr 3650 df-op 3652 df-uni 3865 df-br 4060 df-opab 4122 df-id 4358 df-xp 4699 df-rel 4700 df-cnv 4701 df-co 4702 df-dm 4703 df-iota 5251 df-fun 5292 df-fv 5298 df-riota 5922 df-ov 5970 df-oprab 5971 df-mpo 5972 df-pnf 8144 df-mnf 8145 df-ltxr 8147 df-sub 8280 df-neg 8281 |
| This theorem is referenced by: posdifi 8606 posdifd 8640 nnsub 9110 znnsub 9459 difrp 9849 xposdif 10039 eluzgtdifelfzo 10363 subfzo0 10408 pfxccatin12lem3 11223 efltim 12124 cos01gt0 12189 ndvdsadd 12357 nn0seqcvgd 12478 sinq12gt0 15417 cosq14gt0 15419 logdivlti 15468 perfectlem2 15587 |
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