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Mirrors > Home > MPE Home > Th. List > Mathboxes > stoweidlem10 | Structured version Visualization version GIF version |
Description: Lemma for stoweid 43325. This lemma is used by Lemma 1 in [BrosowskiDeutsh] p. 90, this lemma is an application of Bernoulli's inequality. (Contributed by Glauco Siliprandi, 20-Apr-2017.) |
Ref | Expression |
---|---|
stoweidlem10 | ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → (1 − (𝑁 · 𝐴)) ≤ ((1 − 𝐴)↑𝑁)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | renegcl 11171 | . . . 4 ⊢ (𝐴 ∈ ℝ → -𝐴 ∈ ℝ) | |
2 | 1 | 3ad2ant1 1135 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → -𝐴 ∈ ℝ) |
3 | simp2 1139 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → 𝑁 ∈ ℕ0) | |
4 | simpr 488 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝐴 ≤ 1) → 𝐴 ≤ 1) | |
5 | simpl 486 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝐴 ≤ 1) → 𝐴 ∈ ℝ) | |
6 | 1red 10864 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝐴 ≤ 1) → 1 ∈ ℝ) | |
7 | 5, 6 | lenegd 11441 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝐴 ≤ 1) → (𝐴 ≤ 1 ↔ -1 ≤ -𝐴)) |
8 | 4, 7 | mpbid 235 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐴 ≤ 1) → -1 ≤ -𝐴) |
9 | 8 | 3adant2 1133 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → -1 ≤ -𝐴) |
10 | bernneq 13829 | . . 3 ⊢ ((-𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ -1 ≤ -𝐴) → (1 + (-𝐴 · 𝑁)) ≤ ((1 + -𝐴)↑𝑁)) | |
11 | 2, 3, 9, 10 | syl3anc 1373 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → (1 + (-𝐴 · 𝑁)) ≤ ((1 + -𝐴)↑𝑁)) |
12 | recn 10849 | . . . 4 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℂ) | |
13 | 12 | 3ad2ant1 1135 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → 𝐴 ∈ ℂ) |
14 | nn0cn 12130 | . . . 4 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℂ) | |
15 | 14 | 3ad2ant2 1136 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → 𝑁 ∈ ℂ) |
16 | 1cnd 10858 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → 1 ∈ ℂ) | |
17 | mulneg1 11298 | . . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ) → (-𝐴 · 𝑁) = -(𝐴 · 𝑁)) | |
18 | 17 | oveq2d 7251 | . . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ) → (1 + (-𝐴 · 𝑁)) = (1 + -(𝐴 · 𝑁))) |
19 | 18 | 3adant3 1134 | . . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ ∧ 1 ∈ ℂ) → (1 + (-𝐴 · 𝑁)) = (1 + -(𝐴 · 𝑁))) |
20 | simp3 1140 | . . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ ∧ 1 ∈ ℂ) → 1 ∈ ℂ) | |
21 | mulcl 10843 | . . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ) → (𝐴 · 𝑁) ∈ ℂ) | |
22 | 21 | 3adant3 1134 | . . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ ∧ 1 ∈ ℂ) → (𝐴 · 𝑁) ∈ ℂ) |
23 | 20, 22 | negsubd 11225 | . . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ ∧ 1 ∈ ℂ) → (1 + -(𝐴 · 𝑁)) = (1 − (𝐴 · 𝑁))) |
24 | mulcom 10845 | . . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ) → (𝐴 · 𝑁) = (𝑁 · 𝐴)) | |
25 | 24 | oveq2d 7251 | . . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ) → (1 − (𝐴 · 𝑁)) = (1 − (𝑁 · 𝐴))) |
26 | 25 | 3adant3 1134 | . . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ ∧ 1 ∈ ℂ) → (1 − (𝐴 · 𝑁)) = (1 − (𝑁 · 𝐴))) |
27 | 19, 23, 26 | 3eqtrd 2783 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ ∧ 1 ∈ ℂ) → (1 + (-𝐴 · 𝑁)) = (1 − (𝑁 · 𝐴))) |
28 | 13, 15, 16, 27 | syl3anc 1373 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → (1 + (-𝐴 · 𝑁)) = (1 − (𝑁 · 𝐴))) |
29 | 1cnd 10858 | . . . . 5 ⊢ (𝐴 ∈ ℝ → 1 ∈ ℂ) | |
30 | 29, 12 | negsubd 11225 | . . . 4 ⊢ (𝐴 ∈ ℝ → (1 + -𝐴) = (1 − 𝐴)) |
31 | 30 | oveq1d 7250 | . . 3 ⊢ (𝐴 ∈ ℝ → ((1 + -𝐴)↑𝑁) = ((1 − 𝐴)↑𝑁)) |
32 | 31 | 3ad2ant1 1135 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → ((1 + -𝐴)↑𝑁) = ((1 − 𝐴)↑𝑁)) |
33 | 11, 28, 32 | 3brtr3d 5101 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → (1 − (𝑁 · 𝐴)) ≤ ((1 − 𝐴)↑𝑁)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 ∧ w3a 1089 = wceq 1543 ∈ wcel 2112 class class class wbr 5070 (class class class)co 7235 ℂcc 10757 ℝcr 10758 1c1 10760 + caddc 10762 · cmul 10764 ≤ cle 10898 − cmin 11092 -cneg 11093 ℕ0cn0 12120 ↑cexp 13667 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2710 ax-sep 5209 ax-nul 5216 ax-pow 5275 ax-pr 5339 ax-un 7545 ax-cnex 10815 ax-resscn 10816 ax-1cn 10817 ax-icn 10818 ax-addcl 10819 ax-addrcl 10820 ax-mulcl 10821 ax-mulrcl 10822 ax-mulcom 10823 ax-addass 10824 ax-mulass 10825 ax-distr 10826 ax-i2m1 10827 ax-1ne0 10828 ax-1rid 10829 ax-rnegex 10830 ax-rrecex 10831 ax-cnre 10832 ax-pre-lttri 10833 ax-pre-lttrn 10834 ax-pre-ltadd 10835 ax-pre-mulgt0 10836 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2541 df-eu 2570 df-clab 2717 df-cleq 2731 df-clel 2818 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3071 df-rab 3073 df-v 3425 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4255 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5153 df-tr 5179 df-id 5472 df-eprel 5478 df-po 5486 df-so 5487 df-fr 5527 df-we 5529 df-xp 5575 df-rel 5576 df-cnv 5577 df-co 5578 df-dm 5579 df-rn 5580 df-res 5581 df-ima 5582 df-pred 6179 df-ord 6237 df-on 6238 df-lim 6239 df-suc 6240 df-iota 6359 df-fun 6403 df-fn 6404 df-f 6405 df-f1 6406 df-fo 6407 df-f1o 6408 df-fv 6409 df-riota 7192 df-ov 7238 df-oprab 7239 df-mpo 7240 df-om 7667 df-2nd 7784 df-wrecs 8071 df-recs 8132 df-rdg 8170 df-er 8415 df-en 8651 df-dom 8652 df-sdom 8653 df-pnf 10899 df-mnf 10900 df-xr 10901 df-ltxr 10902 df-le 10903 df-sub 11094 df-neg 11095 df-nn 11861 df-n0 12121 df-z 12207 df-uz 12469 df-seq 13607 df-exp 13668 |
This theorem is referenced by: stoweidlem24 43286 |
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