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| Mirrors > Home > MPE Home > Th. List > Mathboxes > stoweidlem10 | Structured version Visualization version GIF version | ||
| Description: Lemma for stoweid 47212. 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 11631 | . . . 4 ⊢ (𝐴 ∈ ℝ → -𝐴 ∈ ℝ) | |
| 2 | 1 | 3ad2ant1 1151 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → -𝐴 ∈ ℝ) |
| 3 | simp2 1155 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → 𝑁 ∈ ℕ0) | |
| 4 | simpr 490 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝐴 ≤ 1) → 𝐴 ≤ 1) | |
| 5 | simpl 488 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝐴 ≤ 1) → 𝐴 ∈ ℝ) | |
| 6 | 1red 11319 | . . . . . 6 ⊢ ((𝐴 ∈ ℝ ∧ 𝐴 ≤ 1) → 1 ∈ ℝ) | |
| 7 | 5, 6 | lenegd 11905 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝐴 ≤ 1) → (𝐴 ≤ 1 ↔ -1 ≤ -𝐴)) |
| 8 | 4, 7 | mpbid 235 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐴 ≤ 1) → -1 ≤ -𝐴) |
| 9 | 8 | 3adant2 1149 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → -1 ≤ -𝐴) |
| 10 | bernneq 14383 | . . 3 ⊢ (( -𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ -1 ≤ -𝐴) → (1 + ( -𝐴 · 𝑁)) ≤ ((1 + -𝐴)↑𝑁)) | |
| 11 | 2, 3, 9, 10 | syl3anc 1398 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → (1 + ( -𝐴 · 𝑁)) ≤ ((1 + -𝐴)↑𝑁)) |
| 12 | recn 11300 | . . . 4 ⊢ (𝐴 ∈ ℝ → 𝐴 ∈ ℂ) | |
| 13 | 12 | 3ad2ant1 1151 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → 𝐴 ∈ ℂ) |
| 14 | nn0cn 12626 | . . . 4 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℂ) | |
| 15 | 14 | 3ad2ant2 1152 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → 𝑁 ∈ ℂ) |
| 16 | 1cnd 11312 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → 1 ∈ ℂ) | |
| 17 | mulneg1 11762 | . . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ) → ( -𝐴 · 𝑁) = -(𝐴 · 𝑁)) | |
| 18 | 17 | oveq2d 7443 | . . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ) → (1 + ( -𝐴 · 𝑁)) = (1 + -(𝐴 · 𝑁))) |
| 19 | 18 | 3adant3 1150 | . . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ ∧ 1 ∈ ℂ) → (1 + ( -𝐴 · 𝑁)) = (1 + -(𝐴 · 𝑁))) |
| 20 | simp3 1156 | . . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ ∧ 1 ∈ ℂ) → 1 ∈ ℂ) | |
| 21 | mulcl 11294 | . . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ) → (𝐴 · 𝑁) ∈ ℂ) | |
| 22 | 21 | 3adant3 1150 | . . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ ∧ 1 ∈ ℂ) → (𝐴 · 𝑁) ∈ ℂ) |
| 23 | 20, 22 | negsubd 11685 | . . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ ∧ 1 ∈ ℂ) → (1 + -(𝐴 · 𝑁)) = (1 − (𝐴 · 𝑁))) |
| 24 | mulcom 11296 | . . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ) → (𝐴 · 𝑁) = (𝑁 · 𝐴)) | |
| 25 | 24 | oveq2d 7443 | . . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ) → (1 − (𝐴 · 𝑁)) = (1 − (𝑁 · 𝐴))) |
| 26 | 25 | 3adant3 1150 | . . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ ∧ 1 ∈ ℂ) → (1 − (𝐴 · 𝑁)) = (1 − (𝑁 · 𝐴))) |
| 27 | 19, 23, 26 | 3eqtrd 2802 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℂ ∧ 1 ∈ ℂ) → (1 + ( -𝐴 · 𝑁)) = (1 − (𝑁 · 𝐴))) |
| 28 | 13, 15, 16, 27 | syl3anc 1398 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → (1 + ( -𝐴 · 𝑁)) = (1 − (𝑁 · 𝐴))) |
| 29 | 1cnd 11312 | . . . . 5 ⊢ (𝐴 ∈ ℝ → 1 ∈ ℂ) | |
| 30 | 29, 12 | negsubd 11685 | . . . 4 ⊢ (𝐴 ∈ ℝ → (1 + -𝐴) = (1 − 𝐴)) |
| 31 | 30 | oveq1d 7442 | . . 3 ⊢ (𝐴 ∈ ℝ → ((1 + -𝐴)↑𝑁) = ((1 − 𝐴)↑𝑁)) |
| 32 | 31 | 3ad2ant1 1151 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → ((1 + -𝐴)↑𝑁) = ((1 − 𝐴)↑𝑁)) |
| 33 | 11, 28, 32 | 3brtr3d 5138 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ0 ∧ 𝐴 ≤ 1) → (1 − (𝑁 · 𝐴)) ≤ ((1 − 𝐴)↑𝑁)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1569 ∈ wcel 2146 class class class wbr 5105 (class class class)co 7427 ℂcc 11208 ℝcr 11209 1c1 11211 + caddc 11213 · cmul 11215 ≤ cle 11354 − cmin 11551 -cneg 11552 ℕ0cn0 12616 ↑cexp 14214 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-sep 5251 ax-nul 5262 ax-pow 5330 ax-pr 5394 ax-un 7758 ax-cnex 11266 ax-resscn 11267 ax-1cn 11268 ax-icn 11269 ax-addcl 11270 ax-addrcl 11271 ax-mulcl 11272 ax-mulrcl 11273 ax-mulcom 11274 ax-addass 11275 ax-mulass 11276 ax-distr 11277 ax-i2m1 11278 ax-1ne0 11279 ax-1rid 11280 ax-rnegex 11281 ax-rrecex 11282 ax-cnre 11283 ax-pre-lttri 11284 ax-pre-lttrn 11285 ax-pre-ltadd 11286 ax-pre-mulgt0 11287 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-reu 3369 df-rab 3416 df-v 3455 df-sbc 3742 df-csb 3851 df-ss 3900 df-pss 4016 df-dif 4049 df-in 4093 df-un 4153 df-nul 4281 df-if 4485 df-pw 4561 df-sn 4588 df-pr 4590 df-op 4838 df-uni 4870 df-iun 4955 df-br 5106 df-opab 5170 df-mpt 5189 df-tr 5215 df-id 5549 df-eprel 5554 df-po 5562 df-so 5563 df-fr 5607 df-we 5609 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 6310 df-ord 6371 df-on 6372 df-lim 6373 df-suc 6374 df-iota 6500 df-fun 6548 df-fn 6549 df-f 6550 df-f1 6551 df-fo 6552 df-f1o 6553 df-fv 6554 df-riota 7384 df-ov 7430 df-oprab 7431 df-mpo 7432 df-om 7885 df-2nd 8009 df-frecs 8310 df-wrecs 8341 df-recs 8390 df-rdg 8429 df-er 8728 df-en 8985 df-dom 8986 df-sdom 8987 df-pnf 11355 df-mnf 11356 df-xr 11357 df-ltxr 11358 df-le 11359 df-sub 11553 df-neg 11554 df-nn 12346 df-n0 12617 df-z 12704 df-uz 12976 df-seq 14155 df-exp 14215 |
| This theorem is used by: stoweidlem24 47173 |
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