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Mirrors > Home > MPE Home > Th. List > Mathboxes > sinccvg | Structured version Visualization version GIF version |
Description: ((sin‘𝑥) / 𝑥) ⇝ 1 as (real) 𝑥 ⇝ 0. (Contributed by Paul Chapman, 10-Nov-2012.) (Proof shortened by Mario Carneiro, 21-May-2014.) |
Ref | Expression |
---|---|
sinccvg | ⊢ ((𝐹:ℕ⟶(ℝ ∖ {0}) ∧ 𝐹 ⇝ 0) → ((𝑥 ∈ (ℝ ∖ {0}) ↦ ((sin‘𝑥) / 𝑥)) ∘ 𝐹) ⇝ 1) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnuz 12609 | . . 3 ⊢ ℕ = (ℤ≥‘1) | |
2 | 1zzd 12339 | . . 3 ⊢ ((𝐹:ℕ⟶(ℝ ∖ {0}) ∧ 𝐹 ⇝ 0) → 1 ∈ ℤ) | |
3 | 1rp 12722 | . . . 4 ⊢ 1 ∈ ℝ+ | |
4 | 3 | a1i 11 | . . 3 ⊢ ((𝐹:ℕ⟶(ℝ ∖ {0}) ∧ 𝐹 ⇝ 0) → 1 ∈ ℝ+) |
5 | eqidd 2739 | . . 3 ⊢ (((𝐹:ℕ⟶(ℝ ∖ {0}) ∧ 𝐹 ⇝ 0) ∧ 𝑘 ∈ ℕ) → (𝐹‘𝑘) = (𝐹‘𝑘)) | |
6 | simpr 485 | . . 3 ⊢ ((𝐹:ℕ⟶(ℝ ∖ {0}) ∧ 𝐹 ⇝ 0) → 𝐹 ⇝ 0) | |
7 | 1, 2, 4, 5, 6 | climi0 15209 | . 2 ⊢ ((𝐹:ℕ⟶(ℝ ∖ {0}) ∧ 𝐹 ⇝ 0) → ∃𝑗 ∈ ℕ ∀𝑘 ∈ (ℤ≥‘𝑗)(abs‘(𝐹‘𝑘)) < 1) |
8 | simpll 764 | . . 3 ⊢ (((𝐹:ℕ⟶(ℝ ∖ {0}) ∧ 𝐹 ⇝ 0) ∧ (𝑗 ∈ ℕ ∧ ∀𝑘 ∈ (ℤ≥‘𝑗)(abs‘(𝐹‘𝑘)) < 1)) → 𝐹:ℕ⟶(ℝ ∖ {0})) | |
9 | simplr 766 | . . 3 ⊢ (((𝐹:ℕ⟶(ℝ ∖ {0}) ∧ 𝐹 ⇝ 0) ∧ (𝑗 ∈ ℕ ∧ ∀𝑘 ∈ (ℤ≥‘𝑗)(abs‘(𝐹‘𝑘)) < 1)) → 𝐹 ⇝ 0) | |
10 | eqid 2738 | . . 3 ⊢ (𝑥 ∈ (ℝ ∖ {0}) ↦ ((sin‘𝑥) / 𝑥)) = (𝑥 ∈ (ℝ ∖ {0}) ↦ ((sin‘𝑥) / 𝑥)) | |
11 | eqid 2738 | . . 3 ⊢ (𝑥 ∈ ℂ ↦ (1 − ((𝑥↑2) / 3))) = (𝑥 ∈ ℂ ↦ (1 − ((𝑥↑2) / 3))) | |
12 | simprl 768 | . . 3 ⊢ (((𝐹:ℕ⟶(ℝ ∖ {0}) ∧ 𝐹 ⇝ 0) ∧ (𝑗 ∈ ℕ ∧ ∀𝑘 ∈ (ℤ≥‘𝑗)(abs‘(𝐹‘𝑘)) < 1)) → 𝑗 ∈ ℕ) | |
13 | simprr 770 | . . . 4 ⊢ (((𝐹:ℕ⟶(ℝ ∖ {0}) ∧ 𝐹 ⇝ 0) ∧ (𝑗 ∈ ℕ ∧ ∀𝑘 ∈ (ℤ≥‘𝑗)(abs‘(𝐹‘𝑘)) < 1)) → ∀𝑘 ∈ (ℤ≥‘𝑗)(abs‘(𝐹‘𝑘)) < 1) | |
14 | 2fveq3 6772 | . . . . . 6 ⊢ (𝑘 = 𝑛 → (abs‘(𝐹‘𝑘)) = (abs‘(𝐹‘𝑛))) | |
15 | 14 | breq1d 5084 | . . . . 5 ⊢ (𝑘 = 𝑛 → ((abs‘(𝐹‘𝑘)) < 1 ↔ (abs‘(𝐹‘𝑛)) < 1)) |
16 | 15 | rspccva 3559 | . . . 4 ⊢ ((∀𝑘 ∈ (ℤ≥‘𝑗)(abs‘(𝐹‘𝑘)) < 1 ∧ 𝑛 ∈ (ℤ≥‘𝑗)) → (abs‘(𝐹‘𝑛)) < 1) |
17 | 13, 16 | sylan 580 | . . 3 ⊢ ((((𝐹:ℕ⟶(ℝ ∖ {0}) ∧ 𝐹 ⇝ 0) ∧ (𝑗 ∈ ℕ ∧ ∀𝑘 ∈ (ℤ≥‘𝑗)(abs‘(𝐹‘𝑘)) < 1)) ∧ 𝑛 ∈ (ℤ≥‘𝑗)) → (abs‘(𝐹‘𝑛)) < 1) |
18 | 8, 9, 10, 11, 12, 17 | sinccvglem 33616 | . 2 ⊢ (((𝐹:ℕ⟶(ℝ ∖ {0}) ∧ 𝐹 ⇝ 0) ∧ (𝑗 ∈ ℕ ∧ ∀𝑘 ∈ (ℤ≥‘𝑗)(abs‘(𝐹‘𝑘)) < 1)) → ((𝑥 ∈ (ℝ ∖ {0}) ↦ ((sin‘𝑥) / 𝑥)) ∘ 𝐹) ⇝ 1) |
19 | 7, 18 | rexlimddv 3218 | 1 ⊢ ((𝐹:ℕ⟶(ℝ ∖ {0}) ∧ 𝐹 ⇝ 0) → ((𝑥 ∈ (ℝ ∖ {0}) ↦ ((sin‘𝑥) / 𝑥)) ∘ 𝐹) ⇝ 1) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 ∈ wcel 2106 ∀wral 3064 ∖ cdif 3884 {csn 4562 class class class wbr 5074 ↦ cmpt 5157 ∘ ccom 5589 ⟶wf 6423 ‘cfv 6427 (class class class)co 7268 ℂcc 10857 ℝcr 10858 0cc0 10859 1c1 10860 < clt 10997 − cmin 11193 / cdiv 11620 ℕcn 11961 2c2 12016 3c3 12017 ℤ≥cuz 12570 ℝ+crp 12718 ↑cexp 13770 abscabs 14933 ⇝ cli 15181 sincsin 15761 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5222 ax-nul 5229 ax-pow 5287 ax-pr 5351 ax-un 7579 ax-inf2 9387 ax-cnex 10915 ax-resscn 10916 ax-1cn 10917 ax-icn 10918 ax-addcl 10919 ax-addrcl 10920 ax-mulcl 10921 ax-mulrcl 10922 ax-mulcom 10923 ax-addass 10924 ax-mulass 10925 ax-distr 10926 ax-i2m1 10927 ax-1ne0 10928 ax-1rid 10929 ax-rnegex 10930 ax-rrecex 10931 ax-cnre 10932 ax-pre-lttri 10933 ax-pre-lttrn 10934 ax-pre-ltadd 10935 ax-pre-mulgt0 10936 ax-pre-sup 10937 ax-mulf 10939 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3071 df-rmo 3072 df-rab 3073 df-v 3432 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4258 df-if 4461 df-pw 4536 df-sn 4563 df-pr 4565 df-tp 4567 df-op 4569 df-uni 4841 df-int 4881 df-iun 4927 df-iin 4928 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5485 df-eprel 5491 df-po 5499 df-so 5500 df-fr 5540 df-se 5541 df-we 5542 df-xp 5591 df-rel 5592 df-cnv 5593 df-co 5594 df-dm 5595 df-rn 5596 df-res 5597 df-ima 5598 df-pred 6196 df-ord 6263 df-on 6264 df-lim 6265 df-suc 6266 df-iota 6385 df-fun 6429 df-fn 6430 df-f 6431 df-f1 6432 df-fo 6433 df-f1o 6434 df-fv 6435 df-isom 6436 df-riota 7225 df-ov 7271 df-oprab 7272 df-mpo 7273 df-of 7524 df-om 7704 df-1st 7821 df-2nd 7822 df-supp 7966 df-frecs 8085 df-wrecs 8116 df-recs 8190 df-rdg 8229 df-1o 8285 df-2o 8286 df-er 8486 df-map 8605 df-pm 8606 df-ixp 8674 df-en 8722 df-dom 8723 df-sdom 8724 df-fin 8725 df-fsupp 9117 df-fi 9158 df-sup 9189 df-inf 9190 df-oi 9257 df-card 9685 df-pnf 10999 df-mnf 11000 df-xr 11001 df-ltxr 11002 df-le 11003 df-sub 11195 df-neg 11196 df-div 11621 df-nn 11962 df-2 12024 df-3 12025 df-4 12026 df-5 12027 df-6 12028 df-7 12029 df-8 12030 df-9 12031 df-n0 12222 df-z 12308 df-dec 12426 df-uz 12571 df-q 12677 df-rp 12719 df-xneg 12836 df-xadd 12837 df-xmul 12838 df-ioc 13072 df-ico 13073 df-icc 13074 df-fz 13228 df-fzo 13371 df-fl 13500 df-seq 13710 df-exp 13771 df-fac 13976 df-hash 14033 df-shft 14766 df-cj 14798 df-re 14799 df-im 14800 df-sqrt 14934 df-abs 14935 df-limsup 15168 df-clim 15185 df-rlim 15186 df-sum 15386 df-ef 15765 df-sin 15767 df-struct 16836 df-sets 16853 df-slot 16871 df-ndx 16883 df-base 16901 df-ress 16930 df-plusg 16963 df-mulr 16964 df-starv 16965 df-sca 16966 df-vsca 16967 df-ip 16968 df-tset 16969 df-ple 16970 df-ds 16972 df-unif 16973 df-hom 16974 df-cco 16975 df-rest 17121 df-topn 17122 df-0g 17140 df-gsum 17141 df-topgen 17142 df-pt 17143 df-prds 17146 df-xrs 17201 df-qtop 17206 df-imas 17207 df-xps 17209 df-mre 17283 df-mrc 17284 df-acs 17286 df-mgm 18314 df-sgrp 18363 df-mnd 18374 df-submnd 18419 df-mulg 18689 df-cntz 18911 df-cmn 19376 df-psmet 20577 df-xmet 20578 df-met 20579 df-bl 20580 df-mopn 20581 df-cnfld 20586 df-top 22031 df-topon 22048 df-topsp 22070 df-bases 22084 df-cn 22366 df-cnp 22367 df-tx 22701 df-hmeo 22894 df-xms 23461 df-ms 23462 df-tms 23463 df-cncf 24029 |
This theorem is referenced by: circum 33618 |
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