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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 8442 |
. . . 4
| |
| 2 | 1 | ancoms 268 |
. . 3
|
| 3 | simpl 109 |
. . 3
| |
| 4 | ltaddpos 8631 |
. . 3
| |
| 5 | 2, 3, 4 | syl2anc 411 |
. 2
|
| 6 | recn 8164 |
. . . 4
| |
| 7 | recn 8164 |
. . . 4
| |
| 8 | pncan3 8386 |
. . . 4
| |
| 9 | 6, 7, 8 | syl2an 289 |
. . 3
|
| 10 | 9 | breq2d 4100 |
. 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 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-cnex 8122 ax-resscn 8123 ax-1cn 8124 ax-1re 8125 ax-icn 8126 ax-addcl 8127 ax-addrcl 8128 ax-mulcl 8129 ax-addcom 8131 ax-addass 8133 ax-distr 8135 ax-i2m1 8136 ax-0id 8139 ax-rnegex 8140 ax-cnre 8142 ax-pre-ltadd 8147 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-reu 2517 df-rab 2519 df-v 2804 df-sbc 3032 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-opab 4151 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-iota 5286 df-fun 5328 df-fv 5334 df-riota 5970 df-ov 6020 df-oprab 6021 df-mpo 6022 df-pnf 8215 df-mnf 8216 df-ltxr 8218 df-sub 8351 df-neg 8352 |
| This theorem is referenced by: posdifi 8677 posdifd 8711 nnsub 9181 znnsub 9530 difrp 9926 xposdif 10116 eluzgtdifelfzo 10441 subfzo0 10487 pfxccatin12lem3 11312 efltim 12258 cos01gt0 12323 ndvdsadd 12491 nn0seqcvgd 12612 sinq12gt0 15553 cosq14gt0 15555 logdivlti 15604 perfectlem2 15723 |
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