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| Mirrors > Home > MPE Home > Th. List > Mathboxes > climlec3 | Structured version Visualization version GIF version | ||
| Description: Comparison of a constant to the limit of a sequence. (Contributed by Scott Fenton, 5-Jan-2018.) |
| Ref | Expression |
|---|---|
| climlec3.1 | ⊢ 𝑍 = (ℤ≥‘𝑀) |
| climlec3.2 | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
| climlec3.3 | ⊢ (𝜑 → 𝐵 ∈ ℝ) |
| climlec3.4 | ⊢ (𝜑 → 𝐹 ⇝ 𝐴) |
| climlec3.5 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℝ) |
| climlec3.6 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ≤ 𝐵) |
| Ref | Expression |
|---|---|
| climlec3 | ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | climlec3.1 | . . 3 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
| 2 | climlec3.2 | . . 3 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
| 3 | climlec3.3 | . . . 4 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
| 4 | 3 | renegcld 11637 | . . 3 ⊢ (𝜑 → -𝐵 ∈ ℝ) |
| 5 | climlec3.4 | . . . . 5 ⊢ (𝜑 → 𝐹 ⇝ 𝐴) | |
| 6 | 0cnd 11195 | . . . . 5 ⊢ (𝜑 → 0 ∈ ℂ) | |
| 7 | 1 | fvexi 6893 | . . . . . . 7 ⊢ 𝑍 ∈ V |
| 8 | 7 | mptex 7219 | . . . . . 6 ⊢ (𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚)) ∈ V |
| 9 | 8 | a1i 11 | . . . . 5 ⊢ (𝜑 → (𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚)) ∈ V) |
| 10 | climlec3.5 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℝ) | |
| 11 | 10 | recnd 11233 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℂ) |
| 12 | eqid 2769 | . . . . . . 7 ⊢ (𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚)) = (𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚)) | |
| 13 | fveq2 6879 | . . . . . . . 8 ⊢ (𝑚 = 𝑘 → (𝐹‘𝑚) = (𝐹‘𝑘)) | |
| 14 | 13 | negeqd 11447 | . . . . . . 7 ⊢ (𝑚 = 𝑘 → -(𝐹‘𝑚) = -(𝐹‘𝑘)) |
| 15 | simpr 489 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝑘 ∈ 𝑍) | |
| 16 | 10 | renegcld 11637 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → -(𝐹‘𝑘) ∈ ℝ) |
| 17 | 12, 14, 15, 16 | fvmptd3 7011 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → ((𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚))‘𝑘) = -(𝐹‘𝑘)) |
| 18 | df-neg 11440 | . . . . . 6 ⊢ -(𝐹‘𝑘) = (0 − (𝐹‘𝑘)) | |
| 19 | 17, 18 | eqtrdi 2820 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → ((𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚))‘𝑘) = (0 − (𝐹‘𝑘))) |
| 20 | 1, 2, 5, 6, 9, 11, 19 | climsubc2 15686 | . . . 4 ⊢ (𝜑 → (𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚)) ⇝ (0 − 𝐴)) |
| 21 | df-neg 11440 | . . . 4 ⊢ -𝐴 = (0 − 𝐴) | |
| 22 | 20, 21 | breqtrrdi 5154 | . . 3 ⊢ (𝜑 → (𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚)) ⇝ -𝐴) |
| 23 | 17, 16 | eqeltrd 2869 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → ((𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚))‘𝑘) ∈ ℝ) |
| 24 | climlec3.6 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ≤ 𝐵) | |
| 25 | 3 | adantr 485 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐵 ∈ ℝ) |
| 26 | 10, 25 | lenegd 11789 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → ((𝐹‘𝑘) ≤ 𝐵 ↔ -𝐵 ≤ -(𝐹‘𝑘))) |
| 27 | 24, 26 | mpbid 235 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → -𝐵 ≤ -(𝐹‘𝑘)) |
| 28 | 27, 17 | breqtrrd 5140 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → -𝐵 ≤ ((𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚))‘𝑘)) |
| 29 | 1, 2, 4, 22, 23, 28 | climlec2 15706 | . 2 ⊢ (𝜑 → -𝐵 ≤ -𝐴) |
| 30 | 1, 2, 5, 10 | climrecl 15630 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 31 | 30, 3 | lenegd 11789 | . 2 ⊢ (𝜑 → (𝐴 ≤ 𝐵 ↔ -𝐵 ≤ -𝐴)) |
| 32 | 29, 31 | mpbird 260 | 1 ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1567 ∈ wcel 2149 Vcvv 3463 class class class wbr 5110 ↦ cmpt 5193 ‘cfv 6533 (class class class)co 7408 ℝcr 11095 0cc0 11096 ≤ cle 11240 − cmin 11437 -cneg 11438 ℤcz 12587 ℤ≥cuz 12858 ⇝ cli 15531 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5239 ax-sep 5258 ax-nul 5268 ax-pow 5334 ax-pr 5402 ax-un 7730 ax-cnex 11152 ax-resscn 11153 ax-1cn 11154 ax-icn 11155 ax-addcl 11156 ax-addrcl 11157 ax-mulcl 11158 ax-mulrcl 11159 ax-mulcom 11160 ax-addass 11161 ax-mulass 11162 ax-distr 11163 ax-i2m1 11164 ax-1ne0 11165 ax-1rid 11166 ax-rnegex 11167 ax-rrecex 11168 ax-cnre 11169 ax-pre-lttri 11170 ax-pre-lttrn 11171 ax-pre-ltadd 11172 ax-pre-mulgt0 11173 ax-pre-sup 11174 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-iun 4959 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-om 7859 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-er 8690 df-pm 8823 df-en 8940 df-dom 8941 df-sdom 8942 df-sup 9398 df-inf 9399 df-pnf 11241 df-mnf 11242 df-xr 11243 df-ltxr 11244 df-le 11245 df-sub 11439 df-neg 11440 df-div 11868 df-nn 12230 df-2 12299 df-3 12300 df-n0 12501 df-z 12588 df-uz 12859 df-rp 13013 df-fl 13821 df-seq 14034 df-exp 14094 df-cj 15146 df-re 15147 df-im 15148 df-sqrt 15282 df-abs 15283 df-clim 15535 df-rlim 15536 |
| This theorem is referenced by: (None) |
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