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Mirrors > Home > ILE Home > Th. List > abssinper | Unicode version |
Description: The absolute value of sine has period . (Contributed by NM, 17-Aug-2008.) |
Ref | Expression |
---|---|
abssinper |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | zcn 9196 | . . . . . . . . . 10 | |
2 | halfcl 9083 | . . . . . . . . . . . 12 | |
3 | 2cn 8928 | . . . . . . . . . . . . 13 | |
4 | picn 13358 | . . . . . . . . . . . . 13 | |
5 | mulass 7884 | . . . . . . . . . . . . 13 | |
6 | 3, 4, 5 | mp3an23 1319 | . . . . . . . . . . . 12 |
7 | 2, 6 | syl 14 | . . . . . . . . . . 11 |
8 | 2ap0 8950 | . . . . . . . . . . . . 13 # | |
9 | divcanap1 8577 | . . . . . . . . . . . . 13 # | |
10 | 3, 8, 9 | mp3an23 1319 | . . . . . . . . . . . 12 |
11 | 10 | oveq1d 5857 | . . . . . . . . . . 11 |
12 | 7, 11 | eqtr3d 2200 | . . . . . . . . . 10 |
13 | 1, 12 | syl 14 | . . . . . . . . 9 |
14 | 13 | adantl 275 | . . . . . . . 8 |
15 | 14 | oveq2d 5858 | . . . . . . 7 |
16 | 15 | fveq2d 5490 | . . . . . 6 |
17 | 16 | eqcomd 2171 | . . . . 5 |
18 | 17 | adantr 274 | . . . 4 |
19 | sinper 13380 | . . . . 5 | |
20 | 19 | adantlr 469 | . . . 4 |
21 | 18, 20 | eqtrd 2198 | . . 3 |
22 | 21 | fveq2d 5490 | . 2 |
23 | peano2cn 8033 | . . . . . . . . . . . 12 | |
24 | halfcl 9083 | . . . . . . . . . . . 12 | |
25 | 23, 24 | syl 14 | . . . . . . . . . . 11 |
26 | 3, 4 | mulcli 7904 | . . . . . . . . . . 11 |
27 | mulcl 7880 | . . . . . . . . . . 11 | |
28 | 25, 26, 27 | sylancl 410 | . . . . . . . . . 10 |
29 | subadd23 8110 | . . . . . . . . . . 11 | |
30 | 4, 29 | mp3an2 1315 | . . . . . . . . . 10 |
31 | 28, 30 | sylan2 284 | . . . . . . . . 9 |
32 | divcanap1 8577 | . . . . . . . . . . . . . . . . . . 19 # | |
33 | 3, 8, 32 | mp3an23 1319 | . . . . . . . . . . . . . . . . . 18 |
34 | 23, 33 | syl 14 | . . . . . . . . . . . . . . . . 17 |
35 | 34 | oveq1d 5857 | . . . . . . . . . . . . . . . 16 |
36 | ax-1cn 7846 | . . . . . . . . . . . . . . . . 17 | |
37 | adddir 7890 | . . . . . . . . . . . . . . . . 17 | |
38 | 36, 4, 37 | mp3an23 1319 | . . . . . . . . . . . . . . . 16 |
39 | 35, 38 | eqtrd 2198 | . . . . . . . . . . . . . . 15 |
40 | 4 | mulid2i 7902 | . . . . . . . . . . . . . . . 16 |
41 | 40 | oveq2i 5853 | . . . . . . . . . . . . . . 15 |
42 | 39, 41 | eqtr2di 2216 | . . . . . . . . . . . . . 14 |
43 | mulass 7884 | . . . . . . . . . . . . . . . 16 | |
44 | 3, 4, 43 | mp3an23 1319 | . . . . . . . . . . . . . . 15 |
45 | 25, 44 | syl 14 | . . . . . . . . . . . . . 14 |
46 | 42, 45 | eqtr2d 2199 | . . . . . . . . . . . . 13 |
47 | 46 | oveq1d 5857 | . . . . . . . . . . . 12 |
48 | mulcl 7880 | . . . . . . . . . . . . . 14 | |
49 | 4, 48 | mpan2 422 | . . . . . . . . . . . . 13 |
50 | pncan 8104 | . . . . . . . . . . . . 13 | |
51 | 49, 4, 50 | sylancl 410 | . . . . . . . . . . . 12 |
52 | 47, 51 | eqtrd 2198 | . . . . . . . . . . 11 |
53 | 52 | adantl 275 | . . . . . . . . . 10 |
54 | 53 | oveq2d 5858 | . . . . . . . . 9 |
55 | 31, 54 | eqtr2d 2199 | . . . . . . . 8 |
56 | 1, 55 | sylan2 284 | . . . . . . 7 |
57 | 56 | fveq2d 5490 | . . . . . 6 |
58 | 57 | adantr 274 | . . . . 5 |
59 | subcl 8097 | . . . . . . . . 9 | |
60 | 4, 59 | mpan2 422 | . . . . . . . 8 |
61 | sinper 13380 | . . . . . . . 8 | |
62 | 60, 61 | sylan 281 | . . . . . . 7 |
63 | 62 | adantlr 469 | . . . . . 6 |
64 | sinmpi 13386 | . . . . . . 7 | |
65 | 64 | ad2antrr 480 | . . . . . 6 |
66 | 63, 65 | eqtrd 2198 | . . . . 5 |
67 | 58, 66 | eqtrd 2198 | . . . 4 |
68 | 67 | fveq2d 5490 | . . 3 |
69 | sincl 11647 | . . . . 5 | |
70 | 69 | absnegd 11131 | . . . 4 |
71 | 70 | ad2antrr 480 | . . 3 |
72 | 68, 71 | eqtrd 2198 | . 2 |
73 | zeo 9296 | . . 3 | |
74 | 73 | adantl 275 | . 2 |
75 | 22, 72, 74 | mpjaodan 788 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wo 698 wceq 1343 wcel 2136 class class class wbr 3982 cfv 5188 (class class class)co 5842 cc 7751 cc0 7753 c1 7754 caddc 7756 cmul 7758 cmin 8069 cneg 8070 # cap 8479 cdiv 8568 c2 8908 cz 9191 cabs 10939 csin 11585 cpi 11588 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-coll 4097 ax-sep 4100 ax-nul 4108 ax-pow 4153 ax-pr 4187 ax-un 4411 ax-setind 4514 ax-iinf 4565 ax-cnex 7844 ax-resscn 7845 ax-1cn 7846 ax-1re 7847 ax-icn 7848 ax-addcl 7849 ax-addrcl 7850 ax-mulcl 7851 ax-mulrcl 7852 ax-addcom 7853 ax-mulcom 7854 ax-addass 7855 ax-mulass 7856 ax-distr 7857 ax-i2m1 7858 ax-0lt1 7859 ax-1rid 7860 ax-0id 7861 ax-rnegex 7862 ax-precex 7863 ax-cnre 7864 ax-pre-ltirr 7865 ax-pre-ltwlin 7866 ax-pre-lttrn 7867 ax-pre-apti 7868 ax-pre-ltadd 7869 ax-pre-mulgt0 7870 ax-pre-mulext 7871 ax-arch 7872 ax-caucvg 7873 ax-pre-suploc 7874 ax-addf 7875 ax-mulf 7876 |
This theorem depends on definitions: df-bi 116 df-stab 821 df-dc 825 df-3or 969 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ne 2337 df-nel 2432 df-ral 2449 df-rex 2450 df-reu 2451 df-rmo 2452 df-rab 2453 df-v 2728 df-sbc 2952 df-csb 3046 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-nul 3410 df-if 3521 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-int 3825 df-iun 3868 df-disj 3960 df-br 3983 df-opab 4044 df-mpt 4045 df-tr 4081 df-id 4271 df-po 4274 df-iso 4275 df-iord 4344 df-on 4346 df-ilim 4347 df-suc 4349 df-iom 4568 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-rn 4615 df-res 4616 df-ima 4617 df-iota 5153 df-fun 5190 df-fn 5191 df-f 5192 df-f1 5193 df-fo 5194 df-f1o 5195 df-fv 5196 df-isom 5197 df-riota 5798 df-ov 5845 df-oprab 5846 df-mpo 5847 df-of 6050 df-1st 6108 df-2nd 6109 df-recs 6273 df-irdg 6338 df-frec 6359 df-1o 6384 df-oadd 6388 df-er 6501 df-map 6616 df-pm 6617 df-en 6707 df-dom 6708 df-fin 6709 df-sup 6949 df-inf 6950 df-pnf 7935 df-mnf 7936 df-xr 7937 df-ltxr 7938 df-le 7939 df-sub 8071 df-neg 8072 df-reap 8473 df-ap 8480 df-div 8569 df-inn 8858 df-2 8916 df-3 8917 df-4 8918 df-5 8919 df-6 8920 df-7 8921 df-8 8922 df-9 8923 df-n0 9115 df-z 9192 df-uz 9467 df-q 9558 df-rp 9590 df-xneg 9708 df-xadd 9709 df-ioo 9828 df-ioc 9829 df-ico 9830 df-icc 9831 df-fz 9945 df-fzo 10078 df-seqfrec 10381 df-exp 10455 df-fac 10639 df-bc 10661 df-ihash 10689 df-shft 10757 df-cj 10784 df-re 10785 df-im 10786 df-rsqrt 10940 df-abs 10941 df-clim 11220 df-sumdc 11295 df-ef 11589 df-sin 11591 df-cos 11592 df-pi 11594 df-rest 12558 df-topgen 12577 df-psmet 12637 df-xmet 12638 df-met 12639 df-bl 12640 df-mopn 12641 df-top 12646 df-topon 12659 df-bases 12691 df-ntr 12746 df-cn 12838 df-cnp 12839 df-tx 12903 df-cncf 13208 df-limced 13275 df-dvap 13276 |
This theorem is referenced by: sinkpi 13418 |
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