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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 9488 | . . . . . . . 8 ⊢ ℤ ∈ V | |
| 5 | uzssz 9776 | . . . . . . . 8 ⊢ (ℤ≥‘𝑀) ⊆ ℤ | |
| 6 | 4, 5 | ssexi 4227 | . . . . . . 7 ⊢ (ℤ≥‘𝑀) ∈ V |
| 7 | 1, 6 | eqeltri 2304 | . . . . . 6 ⊢ 𝑍 ∈ V |
| 8 | 7 | mptex 5880 | . . . . 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 8208 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐺‘𝑘) ∈ ℂ) |
| 13 | climle.6 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℝ) | |
| 14 | 13 | recnd 8208 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℂ) |
| 15 | simpr 110 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 𝑘 ∈ 𝑍) | |
| 16 | 11, 13 | resubcld 8560 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → ((𝐺‘𝑘) − (𝐹‘𝑘)) ∈ ℝ) |
| 17 | fveq2 5639 | . . . . . . 7 ⊢ (𝑗 = 𝑘 → (𝐺‘𝑗) = (𝐺‘𝑘)) | |
| 18 | fveq2 5639 | . . . . . . 7 ⊢ (𝑗 = 𝑘 → (𝐹‘𝑗) = (𝐹‘𝑘)) | |
| 19 | 17, 18 | oveq12d 6036 | . . . . . 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 5722 | . . . . 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 11893 | . . 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 8715 | . . . . 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 4116 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → 0 ≤ ((𝑗 ∈ 𝑍 ↦ ((𝐺‘𝑗) − (𝐹‘𝑗)))‘𝑘)) |
| 29 | 1, 2, 23, 24, 28 | climge0 11890 | . 2 ⊢ (𝜑 → 0 ≤ (𝐵 − 𝐴)) |
| 30 | 1, 2, 3, 11 | climrecl 11889 | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℝ) |
| 31 | 1, 2, 10, 13 | climrecl 11889 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| 32 | 30, 31 | subge0d 8715 | . 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 1397 ∈ wcel 2202 Vcvv 2802 class class class wbr 4088 ↦ cmpt 4150 ‘cfv 5326 (class class class)co 6018 ℝcr 8031 0cc0 8032 ≤ cle 8215 − cmin 8350 ℤcz 9479 ℤ≥cuz 9755 ⇝ cli 11843 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4204 ax-sep 4207 ax-nul 4215 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-iinf 4686 ax-cnex 8123 ax-resscn 8124 ax-1cn 8125 ax-1re 8126 ax-icn 8127 ax-addcl 8128 ax-addrcl 8129 ax-mulcl 8130 ax-mulrcl 8131 ax-addcom 8132 ax-mulcom 8133 ax-addass 8134 ax-mulass 8135 ax-distr 8136 ax-i2m1 8137 ax-0lt1 8138 ax-1rid 8139 ax-0id 8140 ax-rnegex 8141 ax-precex 8142 ax-cnre 8143 ax-pre-ltirr 8144 ax-pre-ltwlin 8145 ax-pre-lttrn 8146 ax-pre-apti 8147 ax-pre-ltadd 8148 ax-pre-mulgt0 8149 ax-pre-mulext 8150 ax-arch 8151 ax-caucvg 8152 |
| This theorem depends on definitions: df-bi 117 df-dc 842 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-reu 2517 df-rmo 2518 df-rab 2519 df-v 2804 df-sbc 3032 df-csb 3128 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-nul 3495 df-if 3606 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-iun 3972 df-br 4089 df-opab 4151 df-mpt 4152 df-tr 4188 df-id 4390 df-po 4393 df-iso 4394 df-iord 4463 df-on 4465 df-ilim 4466 df-suc 4468 df-iom 4689 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-f1 5331 df-fo 5332 df-f1o 5333 df-fv 5334 df-riota 5971 df-ov 6021 df-oprab 6022 df-mpo 6023 df-1st 6303 df-2nd 6304 df-recs 6471 df-frec 6557 df-pnf 8216 df-mnf 8217 df-xr 8218 df-ltxr 8219 df-le 8220 df-sub 8352 df-neg 8353 df-reap 8755 df-ap 8762 df-div 8853 df-inn 9144 df-2 9202 df-3 9203 df-4 9204 df-n0 9403 df-z 9480 df-uz 9756 df-rp 9889 df-seqfrec 10711 df-exp 10802 df-cj 11407 df-re 11408 df-im 11409 df-rsqrt 11563 df-abs 11564 df-clim 11844 |
| This theorem is referenced by: climlec2 11906 iserle 11907 iserabs 12041 cvgcmpub 12042 |
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