Nearby theorems
|
|
Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
|
| Mirrors > Home > ILE Home > Th. List > ltmul1 | Unicode version | ||
| Description: Multiplication of both sides of 'less than' by a positive number. Theorem I.19 of [Apostol] p. 20. Part of Definition 11.2.7(vi) of [HoTT], p. (varies). (Contributed by NM, 13-Feb-2005.) (Revised by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| ltmul1 |
     ![/\](wedge.gif "/\"){kind=small} 
      |
is distinct from all other
variables.| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ltmul1a 8770 |
. . 3
| |
| 2 | 1 | ex 115 |
. 2
|
| 3 | recexgt0 8759 |
. . . 4
  | |
| 4 | 3 | 3ad2ant3 1046 |
. . 3
|
| 5 | simpl1 1026 |
. . . . . . . . . 10
| |
| 6 | simpl3l 1078 |
. . . . . . . . . 10
| |
| 7 | 5, 6 | remulcld 8209 |
. . . . . . . . 9
|
| 8 | simpl2 1027 |
. . . . . . . . . 10
| |
| 9 | 8, 6 | remulcld 8209 |
. . . . . . . . 9
|
| 10 | simprl 531 |
. . . . . . . . . 10
| |
| 11 | simprrl 541 |
. . . . . . . . . 10
| |
| 12 | 10, 11 | jca 306 |
. . . . . . . . 9
|
| 13 | 7, 9, 12 | 3jca 1203 |
. . . . . . . 8
|
| 14 | ltmul1a 8770 |
. . . . . . . 8
| |
| 15 | 13, 14 | sylan 283 |
. . . . . . 7
|
| 16 | 5 | recnd 8207 |
. . . . . . . . 9
 |
| 17 | 16 | adantr 276 |
. . . . . . . 8
|
| 18 | 6 | recnd 8207 |
. . . . . . . . 9
|
| 19 | 18 | adantr 276 |
. . . . . . . 8
|
| 20 | 10 | recnd 8207 |
. . . . . . . . 9
|
| 21 | 20 | adantr 276 |
. . . . . . . 8
|
| 22 | 17, 19, 21 | mulassd 8202 |
. . . . . . 7
|
| 23 | 8 | recnd 8207 |
. . . . . . . . 9
|
| 24 | 23 | adantr 276 |
. . . . . . . 8
|
| 25 | 24, 19, 21 | mulassd 8202 |
. . . . . . 7
|
| 26 | 15, 22, 25 | 3brtr3d 4119 |
. . . . . 6
|
| 27 | simprrr 542 |
. . . . . . . 8
| |
| 28 | 27 | adantr 276 |
. . . . . . 7
|
| 29 | 28 | oveq2d 6033 |
. . . . . 6
|
| 30 | 28 | oveq2d 6033 |
. . . . . 6
|
| 31 | 26, 29, 30 | 3brtr3d 4119 |
. . . . 5
|
| 32 | 17 | mulridd 8195 |
. . . . 5
|
| 33 | 24 | mulridd 8195 |
. . . . 5
|
| 34 | 31, 32, 33 | 3brtr3d 4119 |
. . . 4
|
| 35 | 34 | ex 115 |
. . 3
|
| 36 | 4, 35 | rexlimddv 2655 |
. 2
|
| 37 | 2, 36 | impbid 129 |
1
|
| Colors of variables: wff set class |
| Syntax hints: wi 4
wa 104
wb 105 w3a 1004 wceq 1397 wcel 2202 wrex 2511 class class class wbr 4088
(class class class)co 6017 cc 8029 cr 8030 cc0 8031 c1 8032 cmul 8036 clt 8213 |
| 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-mulrcl 8130 ax-addcom 8131 ax-mulcom 8132 ax-addass 8133 ax-mulass 8134 ax-distr 8135 ax-i2m1 8136 ax-1rid 8138 ax-0id 8139 ax-rnegex 8140 ax-precex 8141 ax-cnre 8142 ax-pre-ltadd 8147 ax-pre-mulgt0 8148 |
| 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: lemul1 8772 reapmul1lem 8773 ltmul2 9035 ltdiv1 9047 ltdiv23 9071 recp1lt1 9078 ltmul1i 9099 ltmul1d 9972 mertenslemi1 12095 flodddiv4t2lthalf 12499 qnumgt0 12769 4sqlem12 12974 tangtx 15561 lgsquadlem1 15805 lgsquadlem2 15806 |
| Copyright terms: Public domain | W3C validator |