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| Mirrors > Home > MPE Home > Th. List > asinrebnd | Structured version Visualization version GIF version | ||
| Description: Bounds on the arcsine function. (Contributed by Mario Carneiro, 2-Apr-2015.) |
| Ref | Expression |
|---|---|
| asinrebnd | ⊢ (𝐴 ∈ (-1[,]1) → (arcsin‘𝐴) ∈ (-(π / 2)[,](π / 2))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | resinf1o 26497 | . . . . . . . 8 ⊢ (sin ↾ (-(π / 2)[,](π / 2))):(-(π / 2)[,](π / 2))–1-1-onto→(-1[,]1) | |
| 2 | f1ocnv 6830 | . . . . . . . 8 ⊢ ((sin ↾ (-(π / 2)[,](π / 2))):(-(π / 2)[,](π / 2))–1-1-onto→(-1[,]1) → ◡(sin ↾ (-(π / 2)[,](π / 2))):(-1[,]1)–1-1-onto→(-(π / 2)[,](π / 2))) | |
| 3 | f1of 6818 | . . . . . . . 8 ⊢ (◡(sin ↾ (-(π / 2)[,](π / 2))):(-1[,]1)–1-1-onto→(-(π / 2)[,](π / 2)) → ◡(sin ↾ (-(π / 2)[,](π / 2))):(-1[,]1)⟶(-(π / 2)[,](π / 2))) | |
| 4 | 1, 2, 3 | mp2b 10 | . . . . . . 7 ⊢ ◡(sin ↾ (-(π / 2)[,](π / 2))):(-1[,]1)⟶(-(π / 2)[,](π / 2)) |
| 5 | 4 | ffvelcdmi 7073 | . . . . . 6 ⊢ (𝐴 ∈ (-1[,]1) → (◡(sin ↾ (-(π / 2)[,](π / 2)))‘𝐴) ∈ (-(π / 2)[,](π / 2))) |
| 6 | 5 | fvresd 6896 | . . . . 5 ⊢ (𝐴 ∈ (-1[,]1) → ((sin ↾ (-(π / 2)[,](π / 2)))‘(◡(sin ↾ (-(π / 2)[,](π / 2)))‘𝐴)) = (sin‘(◡(sin ↾ (-(π / 2)[,](π / 2)))‘𝐴))) |
| 7 | f1ocnvfv2 7270 | . . . . . 6 ⊢ (((sin ↾ (-(π / 2)[,](π / 2))):(-(π / 2)[,](π / 2))–1-1-onto→(-1[,]1) ∧ 𝐴 ∈ (-1[,]1)) → ((sin ↾ (-(π / 2)[,](π / 2)))‘(◡(sin ↾ (-(π / 2)[,](π / 2)))‘𝐴)) = 𝐴) | |
| 8 | 1, 7 | mpan 690 | . . . . 5 ⊢ (𝐴 ∈ (-1[,]1) → ((sin ↾ (-(π / 2)[,](π / 2)))‘(◡(sin ↾ (-(π / 2)[,](π / 2)))‘𝐴)) = 𝐴) |
| 9 | 6, 8 | eqtr3d 2772 | . . . 4 ⊢ (𝐴 ∈ (-1[,]1) → (sin‘(◡(sin ↾ (-(π / 2)[,](π / 2)))‘𝐴)) = 𝐴) |
| 10 | 9 | fveq2d 6880 | . . 3 ⊢ (𝐴 ∈ (-1[,]1) → (arcsin‘(sin‘(◡(sin ↾ (-(π / 2)[,](π / 2)))‘𝐴))) = (arcsin‘𝐴)) |
| 11 | reasinsin 26858 | . . . 4 ⊢ ((◡(sin ↾ (-(π / 2)[,](π / 2)))‘𝐴) ∈ (-(π / 2)[,](π / 2)) → (arcsin‘(sin‘(◡(sin ↾ (-(π / 2)[,](π / 2)))‘𝐴))) = (◡(sin ↾ (-(π / 2)[,](π / 2)))‘𝐴)) | |
| 12 | 5, 11 | syl 17 | . . 3 ⊢ (𝐴 ∈ (-1[,]1) → (arcsin‘(sin‘(◡(sin ↾ (-(π / 2)[,](π / 2)))‘𝐴))) = (◡(sin ↾ (-(π / 2)[,](π / 2)))‘𝐴)) |
| 13 | 10, 12 | eqtr3d 2772 | . 2 ⊢ (𝐴 ∈ (-1[,]1) → (arcsin‘𝐴) = (◡(sin ↾ (-(π / 2)[,](π / 2)))‘𝐴)) |
| 14 | 13, 5 | eqeltrd 2834 | 1 ⊢ (𝐴 ∈ (-1[,]1) → (arcsin‘𝐴) ∈ (-(π / 2)[,](π / 2))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2108 ◡ccnv 5653 ↾ cres 5656 ⟶wf 6527 –1-1-onto→wf1o 6530 ‘cfv 6531 (class class class)co 7405 1c1 11130 -cneg 11467 / cdiv 11894 2c2 12295 [,]cicc 13365 sincsin 16079 πcpi 16082 arcsincasin 26824 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2707 ax-rep 5249 ax-sep 5266 ax-nul 5276 ax-pow 5335 ax-pr 5402 ax-un 7729 ax-inf2 9655 ax-cnex 11185 ax-resscn 11186 ax-1cn 11187 ax-icn 11188 ax-addcl 11189 ax-addrcl 11190 ax-mulcl 11191 ax-mulrcl 11192 ax-mulcom 11193 ax-addass 11194 ax-mulass 11195 ax-distr 11196 ax-i2m1 11197 ax-1ne0 11198 ax-1rid 11199 ax-rnegex 11200 ax-rrecex 11201 ax-cnre 11202 ax-pre-lttri 11203 ax-pre-lttrn 11204 ax-pre-ltadd 11205 ax-pre-mulgt0 11206 ax-pre-sup 11207 ax-addf 11208 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2809 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3359 df-reu 3360 df-rab 3416 df-v 3461 df-sbc 3766 df-csb 3875 df-dif 3929 df-un 3931 df-in 3933 df-ss 3943 df-pss 3946 df-nul 4309 df-if 4501 df-pw 4577 df-sn 4602 df-pr 4604 df-tp 4606 df-op 4608 df-uni 4884 df-int 4923 df-iun 4969 df-iin 4970 df-br 5120 df-opab 5182 df-mpt 5202 df-tr 5230 df-id 5548 df-eprel 5553 df-po 5561 df-so 5562 df-fr 5606 df-se 5607 df-we 5608 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-pred 6290 df-ord 6355 df-on 6356 df-lim 6357 df-suc 6358 df-iota 6484 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-isom 6540 df-riota 7362 df-ov 7408 df-oprab 7409 df-mpo 7410 df-of 7671 df-om 7862 df-1st 7988 df-2nd 7989 df-supp 8160 df-frecs 8280 df-wrecs 8311 df-recs 8385 df-rdg 8424 df-1o 8480 df-2o 8481 df-er 8719 df-map 8842 df-pm 8843 df-ixp 8912 df-en 8960 df-dom 8961 df-sdom 8962 df-fin 8963 df-fsupp 9374 df-fi 9423 df-sup 9454 df-inf 9455 df-oi 9524 df-card 9953 df-pnf 11271 df-mnf 11272 df-xr 11273 df-ltxr 11274 df-le 11275 df-sub 11468 df-neg 11469 df-div 11895 df-nn 12241 df-2 12303 df-3 12304 df-4 12305 df-5 12306 df-6 12307 df-7 12308 df-8 12309 df-9 12310 df-n0 12502 df-z 12589 df-dec 12709 df-uz 12853 df-q 12965 df-rp 13009 df-xneg 13128 df-xadd 13129 df-xmul 13130 df-ioo 13366 df-ioc 13367 df-ico 13368 df-icc 13369 df-fz 13525 df-fzo 13672 df-fl 13809 df-mod 13887 df-seq 14020 df-exp 14080 df-fac 14292 df-bc 14321 df-hash 14349 df-shft 15086 df-cj 15118 df-re 15119 df-im 15120 df-sqrt 15254 df-abs 15255 df-limsup 15487 df-clim 15504 df-rlim 15505 df-sum 15703 df-ef 16083 df-sin 16085 df-cos 16086 df-pi 16088 df-struct 17166 df-sets 17183 df-slot 17201 df-ndx 17213 df-base 17229 df-ress 17252 df-plusg 17284 df-mulr 17285 df-starv 17286 df-sca 17287 df-vsca 17288 df-ip 17289 df-tset 17290 df-ple 17291 df-ds 17293 df-unif 17294 df-hom 17295 df-cco 17296 df-rest 17436 df-topn 17437 df-0g 17455 df-gsum 17456 df-topgen 17457 df-pt 17458 df-prds 17461 df-xrs 17516 df-qtop 17521 df-imas 17522 df-xps 17524 df-mre 17598 df-mrc 17599 df-acs 17601 df-mgm 18618 df-sgrp 18697 df-mnd 18713 df-submnd 18762 df-mulg 19051 df-cntz 19300 df-cmn 19763 df-psmet 21307 df-xmet 21308 df-met 21309 df-bl 21310 df-mopn 21311 df-fbas 21312 df-fg 21313 df-cnfld 21316 df-top 22832 df-topon 22849 df-topsp 22871 df-bases 22884 df-cld 22957 df-ntr 22958 df-cls 22959 df-nei 23036 df-lp 23074 df-perf 23075 df-cn 23165 df-cnp 23166 df-haus 23253 df-tx 23500 df-hmeo 23693 df-fil 23784 df-fm 23876 df-flim 23877 df-flf 23878 df-xms 24259 df-ms 24260 df-tms 24261 df-cncf 24822 df-limc 25819 df-dv 25820 df-log 26517 df-asin 26827 |
| This theorem is referenced by: asinrecl 26864 |
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