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| Mirrors > Home > ILE Home > Th. List > sinltxirr | GIF version | ||
| Description: The sine of a positive irrational number is less than its argument. Here irrational means apart from any rational number. (Contributed by Mario Carneiro, 29-Jul-2014.) |
| Ref | Expression |
|---|---|
| sinltxirr | ⊢ ((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) → (sin‘𝐴) < 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rpre 10014 | . . . . . 6 ⊢ (𝐴 ∈ ℝ+ → 𝐴 ∈ ℝ) | |
| 2 | 1 | adantr 276 | . . . . 5 ⊢ ((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) → 𝐴 ∈ ℝ) |
| 3 | 2 | adantr 276 | . . . 4 ⊢ (((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) ∧ 𝐴 < 1) → 𝐴 ∈ ℝ) |
| 4 | rpgt0 10019 | . . . . 5 ⊢ (𝐴 ∈ ℝ+ → 0 < 𝐴) | |
| 5 | 4 | ad2antrr 488 | . . . 4 ⊢ (((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) ∧ 𝐴 < 1) → 0 < 𝐴) |
| 6 | 1red 8305 | . . . . 5 ⊢ (((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) ∧ 𝐴 < 1) → 1 ∈ ℝ) | |
| 7 | simpr 110 | . . . . 5 ⊢ (((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) ∧ 𝐴 < 1) → 𝐴 < 1) | |
| 8 | 3, 6, 7 | ltled 8409 | . . . 4 ⊢ (((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) ∧ 𝐴 < 1) → 𝐴 ≤ 1) |
| 9 | 0xr 8336 | . . . . 5 ⊢ 0 ∈ ℝ* | |
| 10 | 1re 8289 | . . . . 5 ⊢ 1 ∈ ℝ | |
| 11 | elioc2 10291 | . . . . 5 ⊢ ((0 ∈ ℝ* ∧ 1 ∈ ℝ) → (𝐴 ∈ (0(,]1) ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴 ∧ 𝐴 ≤ 1))) | |
| 12 | 9, 10, 11 | mp2an 426 | . . . 4 ⊢ (𝐴 ∈ (0(,]1) ↔ (𝐴 ∈ ℝ ∧ 0 < 𝐴 ∧ 𝐴 ≤ 1)) |
| 13 | 3, 5, 8, 12 | syl3anbrc 1208 | . . 3 ⊢ (((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) ∧ 𝐴 < 1) → 𝐴 ∈ (0(,]1)) |
| 14 | sin01bnd 12471 | . . . 4 ⊢ (𝐴 ∈ (0(,]1) → ((𝐴 − ((𝐴↑3) / 3)) < (sin‘𝐴) ∧ (sin‘𝐴) < 𝐴)) | |
| 15 | 14 | simprd 114 | . . 3 ⊢ (𝐴 ∈ (0(,]1) → (sin‘𝐴) < 𝐴) |
| 16 | 13, 15 | syl 14 | . 2 ⊢ (((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) ∧ 𝐴 < 1) → (sin‘𝐴) < 𝐴) |
| 17 | 2 | adantr 276 | . . . 4 ⊢ (((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) ∧ 1 < 𝐴) → 𝐴 ∈ ℝ) |
| 18 | 17 | resincld 12437 | . . 3 ⊢ (((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) ∧ 1 < 𝐴) → (sin‘𝐴) ∈ ℝ) |
| 19 | 1red 8305 | . . 3 ⊢ (((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) ∧ 1 < 𝐴) → 1 ∈ ℝ) | |
| 20 | sinbnd 12466 | . . . . 5 ⊢ (𝐴 ∈ ℝ → (-1 ≤ (sin‘𝐴) ∧ (sin‘𝐴) ≤ 1)) | |
| 21 | 20 | simprd 114 | . . . 4 ⊢ (𝐴 ∈ ℝ → (sin‘𝐴) ≤ 1) |
| 22 | 17, 21 | syl 14 | . . 3 ⊢ (((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) ∧ 1 < 𝐴) → (sin‘𝐴) ≤ 1) |
| 23 | simpr 110 | . . 3 ⊢ (((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) ∧ 1 < 𝐴) → 1 < 𝐴) | |
| 24 | 18, 19, 17, 22, 23 | lelttrd 8415 | . 2 ⊢ (((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) ∧ 1 < 𝐴) → (sin‘𝐴) < 𝐴) |
| 25 | breq2 4118 | . . . 4 ⊢ (𝑞 = 1 → (𝐴 # 𝑞 ↔ 𝐴 # 1)) | |
| 26 | simpr 110 | . . . 4 ⊢ ((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) → ∀𝑞 ∈ ℚ 𝐴 # 𝑞) | |
| 27 | 1z 9623 | . . . . 5 ⊢ 1 ∈ ℤ | |
| 28 | zq 9979 | . . . . 5 ⊢ (1 ∈ ℤ → 1 ∈ ℚ) | |
| 29 | 27, 28 | mp1i 10 | . . . 4 ⊢ ((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) → 1 ∈ ℚ) |
| 30 | 25, 26, 29 | rspcdva 2928 | . . 3 ⊢ ((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) → 𝐴 # 1) |
| 31 | reaplt 8880 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 1 ∈ ℝ) → (𝐴 # 1 ↔ (𝐴 < 1 ∨ 1 < 𝐴))) | |
| 32 | 2, 10, 31 | sylancl 413 | . . 3 ⊢ ((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) → (𝐴 # 1 ↔ (𝐴 < 1 ∨ 1 < 𝐴))) |
| 33 | 30, 32 | mpbid 147 | . 2 ⊢ ((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) → (𝐴 < 1 ∨ 1 < 𝐴)) |
| 34 | 16, 24, 33 | mpjaodan 806 | 1 ⊢ ((𝐴 ∈ ℝ+ ∧ ∀𝑞 ∈ ℚ 𝐴 # 𝑞) → (sin‘𝐴) < 𝐴) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 ∨ wo 716 ∧ w3a 1005 ∈ wcel 2205 ∀wral 2522 class class class wbr 4114 ‘cfv 5357 (class class class)co 6058 ℝcr 8142 0cc0 8143 1c1 8144 ℝ*cxr 8323 < clt 8324 ≤ cle 8325 − cmin 8461 -cneg 8462 # cap 8873 / cdiv 8966 3c3 9309 ℤcz 9597 ℚcq 9972 ℝ+crp 10007 (,]cioc 10244 ↑cexp 10927 sincsin 12358 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-coll 4230 ax-sep 4233 ax-nul 4241 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-setind 4664 ax-iinf 4715 ax-cnex 8234 ax-resscn 8235 ax-1cn 8236 ax-1re 8237 ax-icn 8238 ax-addcl 8239 ax-addrcl 8240 ax-mulcl 8241 ax-mulrcl 8242 ax-addcom 8243 ax-mulcom 8244 ax-addass 8245 ax-mulass 8246 ax-distr 8247 ax-i2m1 8248 ax-0lt1 8249 ax-1rid 8250 ax-0id 8251 ax-rnegex 8252 ax-precex 8253 ax-cnre 8254 ax-pre-ltirr 8255 ax-pre-ltwlin 8256 ax-pre-lttrn 8257 ax-pre-apti 8258 ax-pre-ltadd 8259 ax-pre-mulgt0 8260 ax-pre-mulext 8261 ax-arch 8262 ax-caucvg 8263 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-nel 2510 df-ral 2527 df-rex 2528 df-reu 2529 df-rmo 2530 df-rab 2531 df-v 2817 df-sbc 3046 df-csb 3142 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-nul 3513 df-if 3625 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-int 3955 df-iun 3998 df-disj 4091 df-br 4115 df-opab 4177 df-mpt 4178 df-tr 4214 df-id 4419 df-po 4422 df-iso 4423 df-iord 4492 df-on 4494 df-ilim 4495 df-suc 4497 df-iom 4718 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-ima 4767 df-iota 5317 df-fun 5359 df-fn 5360 df-f 5361 df-f1 5362 df-fo 5363 df-f1o 5364 df-fv 5365 df-isom 5366 df-riota 6011 df-ov 6061 df-oprab 6062 df-mpo 6063 df-1st 6347 df-2nd 6348 df-recs 6549 df-irdg 6614 df-frec 6635 df-1o 6660 df-oadd 6664 df-er 6780 df-en 6989 df-dom 6990 df-fin 6991 df-sup 7288 df-pnf 8326 df-mnf 8327 df-xr 8328 df-ltxr 8329 df-le 8330 df-sub 8463 df-neg 8464 df-reap 8867 df-ap 8874 df-div 8967 df-inn 9258 df-2 9316 df-3 9317 df-4 9318 df-5 9319 df-6 9320 df-7 9321 df-8 9322 df-n0 9517 df-z 9598 df-uz 9875 df-q 9973 df-rp 10008 df-ioc 10248 df-ico 10249 df-fz 10365 df-fzo 10502 df-seqfrec 10837 df-exp 10928 df-fac 11116 df-bc 11138 df-ihash 11167 df-shft 11528 df-cj 11555 df-re 11556 df-im 11557 df-rsqrt 11711 df-abs 11712 df-clim 11992 df-sumdc 12067 df-ef 12362 df-sin 12364 df-cos 12365 |
| This theorem is referenced by: (None) |
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