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| Mirrors > Home > ILE Home > Th. List > climle | GIF version | ||
| Description: Comparison of the limits of two sequences. (Contributed by Paul Chapman, 10-Sep-2007.) (Revised by Mario Carneiro, 1-Feb-2014.) |
| Ref | Expression |
|---|---|
| climadd.1 | ⊢ 𝑍 = (ℤ≥‘𝑀) |
| climadd.2 | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
| climadd.4 | ⊢ (𝜑 → 𝐹 ⇝ 𝐴) |
| climle.5 | ⊢ (𝜑 → 𝐺 ⇝ 𝐵) |
| climle.6 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℝ) |
| climle.7 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐺‘𝑘) ∈ ℝ) |
| climle.8 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ≤ (𝐺‘𝑘)) |
| Ref | Expression |
|---|---|
| climle | ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | climadd.1 | . . 3 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
| 2 | climadd.2 | . . 3 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
| 3 | climle.5 | . . . 4 ⊢ (𝜑 → 𝐺 ⇝ 𝐵) | |
| 4 | zex 9531 | . . . . . . . 8 ⊢ ℤ ∈ V | |
| 5 | uzssz 9819 | . . . . . . . 8 ⊢ (ℤ≥‘𝑀) ⊆ ℤ | |
| 6 | 4, 5 | ssexi 4232 | . . . . . . 7 ⊢ (ℤ≥‘𝑀) ∈ V |
| 7 | 1, 6 | eqeltri 2304 | . . . . . 6 ⊢ 𝑍 ∈ V |
| 8 | 7 | mptex 5890 | . . . . 5 ⊢ (𝑗 ∈ 𝑍 ↦ ((𝐺‘𝑗) − (𝐹‘𝑗))) ∈ V |
| 9 | 8 | a1i 9 | . . . 4 ⊢ (𝜑 → (𝑗 ∈ 𝑍 ↦ ((𝐺‘𝑗) − (𝐹‘𝑗))) ∈ V) |
| 10 | climadd.4 | . . . 4 ⊢ (𝜑 → 𝐹 ⇝ 𝐴) | |
| 11 | climle.7 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐺‘𝑘) ∈ ℝ) | |
| 12 | 11 | recnd 8251 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐺‘𝑘) ∈ ℂ) |
| 13 | climle.6 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℝ) | |
| 14 | 13 | recnd 8251 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℂ) |
| 15 | simpr 110 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝑘 ∈ 𝑍) | |
| 16 | 11, 13 | resubcld 8603 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → ((𝐺‘𝑘) − (𝐹‘𝑘)) ∈ ℝ) |
| 17 | fveq2 5648 | . . . . . . 7 ⊢ (𝑗 = 𝑘 → (𝐺‘𝑗) = (𝐺‘𝑘)) | |
| 18 | fveq2 5648 | . . . . . . 7 ⊢ (𝑗 = 𝑘 → (𝐹‘𝑗) = (𝐹‘𝑘)) | |
| 19 | 17, 18 | oveq12d 6046 | . . . . . 6 ⊢ (𝑗 = 𝑘 → ((𝐺‘𝑗) − (𝐹‘𝑗)) = ((𝐺‘𝑘) − (𝐹‘𝑘))) |
| 20 | eqid 2231 | . . . . . 6 ⊢ (𝑗 ∈ 𝑍 ↦ ((𝐺‘𝑗) − (𝐹‘𝑗))) = (𝑗 ∈ 𝑍 ↦ ((𝐺‘𝑗) − (𝐹‘𝑗))) | |
| 21 | 19, 20 | fvmptg 5731 | . . . . 5 ⊢ ((𝑘 ∈ 𝑍 ∧ ((𝐺‘𝑘) − (𝐹‘𝑘)) ∈ ℝ) → ((𝑗 ∈ 𝑍 ↦ ((𝐺‘𝑗) − (𝐹‘𝑗)))‘𝑘) = ((𝐺‘𝑘) − (𝐹‘𝑘))) |
| 22 | 15, 16, 21 | syl2anc 411 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → ((𝑗 ∈ 𝑍 ↦ ((𝐺‘𝑗) − (𝐹‘𝑗)))‘𝑘) = ((𝐺‘𝑘) − (𝐹‘𝑘))) |
| 23 | 1, 2, 3, 9, 10, 12, 14, 22 | climsub 11949 | . . 3 ⊢ (𝜑 → (𝑗 ∈ 𝑍 ↦ ((𝐺‘𝑗) − (𝐹‘𝑗))) ⇝ (𝐵 − 𝐴)) |
| 24 | 22, 16 | eqeltrd 2308 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → ((𝑗 ∈ 𝑍 ↦ ((𝐺‘𝑗) − (𝐹‘𝑗)))‘𝑘) ∈ ℝ) |
| 25 | climle.8 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ≤ (𝐺‘𝑘)) | |
| 26 | 11, 13 | subge0d 8758 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (0 ≤ ((𝐺‘𝑘) − (𝐹‘𝑘)) ↔ (𝐹‘𝑘) ≤ (𝐺‘𝑘))) |
| 27 | 25, 26 | mpbird 167 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 0 ≤ ((𝐺‘𝑘) − (𝐹‘𝑘))) |
| 28 | 27, 22 | breqtrrd 4121 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 0 ≤ ((𝑗 ∈ 𝑍 ↦ ((𝐺‘𝑗) − (𝐹‘𝑗)))‘𝑘)) |
| 29 | 1, 2, 23, 24, 28 | climge0 11946 | . 2 ⊢ (𝜑 → 0 ≤ (𝐵 − 𝐴)) |
| 30 | 1, 2, 3, 11 | climrecl 11945 | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℝ) |
| 31 | 1, 2, 10, 13 | climrecl 11945 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 32 | 30, 31 | subge0d 8758 | . 2 ⊢ (𝜑 → (0 ≤ (𝐵 − 𝐴) ↔ 𝐴 ≤ 𝐵)) |
| 33 | 29, 32 | mpbid 147 | 1 ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1398 ∈ wcel 2202 Vcvv 2803 class class class wbr 4093 ↦ cmpt 4155 ‘cfv 5333 (class class class)co 6028 ℝcr 8074 0cc0 8075 ≤ cle 8258 − cmin 8393 ℤcz 9522 ℤ≥cuz 9798 ⇝ cli 11899 |
| 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 2204 ax-14 2205 ax-ext 2213 ax-coll 4209 ax-sep 4212 ax-nul 4220 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-iinf 4692 ax-cnex 8166 ax-resscn 8167 ax-1cn 8168 ax-1re 8169 ax-icn 8170 ax-addcl 8171 ax-addrcl 8172 ax-mulcl 8173 ax-mulrcl 8174 ax-addcom 8175 ax-mulcom 8176 ax-addass 8177 ax-mulass 8178 ax-distr 8179 ax-i2m1 8180 ax-0lt1 8181 ax-1rid 8182 ax-0id 8183 ax-rnegex 8184 ax-precex 8185 ax-cnre 8186 ax-pre-ltirr 8187 ax-pre-ltwlin 8188 ax-pre-lttrn 8189 ax-pre-apti 8190 ax-pre-ltadd 8191 ax-pre-mulgt0 8192 ax-pre-mulext 8193 ax-arch 8194 ax-caucvg 8195 |
| 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 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-nel 2499 df-ral 2516 df-rex 2517 df-reu 2518 df-rmo 2519 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-nul 3497 df-if 3608 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-iun 3977 df-br 4094 df-opab 4156 df-mpt 4157 df-tr 4193 df-id 4396 df-po 4399 df-iso 4400 df-iord 4469 df-on 4471 df-ilim 4472 df-suc 4474 df-iom 4695 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-f1 5338 df-fo 5339 df-f1o 5340 df-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-1st 6312 df-2nd 6313 df-recs 6514 df-frec 6600 df-pnf 8259 df-mnf 8260 df-xr 8261 df-ltxr 8262 df-le 8263 df-sub 8395 df-neg 8396 df-reap 8798 df-ap 8805 df-div 8896 df-inn 9187 df-2 9245 df-3 9246 df-4 9247 df-n0 9446 df-z 9523 df-uz 9799 df-rp 9932 df-seqfrec 10754 df-exp 10845 df-cj 11463 df-re 11464 df-im 11465 df-rsqrt 11619 df-abs 11620 df-clim 11900 |
| This theorem is referenced by: climlec2 11962 iserle 11963 iserabs 12097 cvgcmpub 12098 |
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