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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 11747 | . . 3 ⊢ (𝜑 → -𝐵 ∈ ℝ) |
| 5 | climlec3.4 | . . . . 5 ⊢ (𝜑 → 𝐹 ⇝ 𝐴) | |
| 6 | 0cnd 11303 | . . . . 5 ⊢ (𝜑 → 0 ∈ ℂ) | |
| 7 | 1 | fvexi 6900 | . . . . . . 7 ⊢ 𝑍 ∈ V |
| 8 | 7 | mptex 7230 | . . . . . 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 11341 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℂ) |
| 12 | eqid 2760 | . . . . . . 7 ⊢ (𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚)) = (𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚)) | |
| 13 | fveq2 6886 | . . . . . . . 8 ⊢ (𝑚 = 𝑘 → (𝐹‘𝑚) = (𝐹‘𝑘)) | |
| 14 | 13 | negeqd 11555 | . . . . . . 7 ⊢ (𝑚 = 𝑘 → -(𝐹‘𝑚) = -(𝐹‘𝑘)) |
| 15 | simpr 490 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝑘 ∈ 𝑍) | |
| 16 | 10 | renegcld 11747 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → -(𝐹‘𝑘) ∈ ℝ) |
| 17 | 12, 14, 15, 16 | fvmptd3 7018 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → ((𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚))‘𝑘) = -(𝐹‘𝑘)) |
| 18 | df-neg 11548 | . . . . . 6 ⊢ -(𝐹‘𝑘) = (0 − (𝐹‘𝑘)) | |
| 19 | 17, 18 | eqtrdi 2811 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → ((𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚))‘𝑘) = (0 − (𝐹‘𝑘))) |
| 20 | 1, 2, 5, 6, 9, 11, 19 | climsubc2 15812 | . . . 4 ⊢ (𝜑 → (𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚)) ⇝ (0 − 𝐴)) |
| 21 | df-neg 11548 | . . . 4 ⊢ -𝐴 = (0 − 𝐴) | |
| 22 | 20, 21 | breqtrrdi 5146 | . . 3 ⊢ (𝜑 → (𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚)) ⇝ -𝐴) |
| 23 | 17, 16 | eqeltrd 2860 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → ((𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚))‘𝑘) ∈ ℝ) |
| 24 | climlec3.6 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ≤ 𝐵) | |
| 25 | 3 | adantr 486 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝐵 ∈ ℝ) |
| 26 | 10, 25 | lenegd 11899 | . . . . 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 5132 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → -𝐵 ≤ ((𝑚 ∈ 𝑍 ↦ -(𝐹‘𝑚))‘𝑘)) |
| 29 | 1, 2, 4, 22, 23, 28 | climlec2 15832 | . 2 ⊢ (𝜑 → -𝐵 ≤ -𝐴) |
| 30 | 1, 2, 5, 10 | climrecl 15756 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 31 | 30, 3 | lenegd 11899 | . 2 ⊢ (𝜑 → (𝐴 ≤ 𝐵 ↔ -𝐵 ≤ -𝐴)) |
| 32 | 29, 31 | mpbird 260 | 1 ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1569 ∈ wcel 2144 Vcvv 3450 class class class wbr 5102 ↦ cmpt 5185 ‘cfv 6539 (class class class)co 7421 ℝcr 11203 0cc0 11204 ≤ cle 11348 − cmin 11545 -cneg 11546 ℤcz 12697 ℤ≥cuz 12969 ⇝ cli 15657 |
| 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 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-cnex 11260 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 ax-pre-mulgt0 11281 ax-pre-sup 11282 |
| 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 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-om 7879 df-2nd 8003 df-frecs 8303 df-wrecs 8334 df-recs 8383 df-rdg 8422 df-er 8721 df-pm 8854 df-en 8978 df-dom 8979 df-sdom 8980 df-sup 9438 df-inf 9439 df-pnf 11349 df-mnf 11350 df-xr 11351 df-ltxr 11352 df-le 11353 df-sub 11547 df-neg 11548 df-div 11978 df-nn 12340 df-2 12409 df-3 12410 df-n0 12611 df-z 12698 df-uz 12970 df-rp 13125 df-fl 13936 df-seq 14149 df-exp 14209 df-cj 15272 df-re 15273 df-im 15274 df-sqrt 15408 df-abs 15409 df-clim 15661 df-rlim 15662 |
| This theorem is used by: (None) |
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