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| Mirrors > Home > ILE Home > Th. List > climcn1lem | GIF version | ||
| Description: The limit of a continuous function, theorem form. (Contributed by Mario Carneiro, 9-Feb-2014.) |
| Ref | Expression |
|---|---|
| climcn1lem.1 | ⊢ 𝑍 = (ℤ≥‘𝑀) |
| climcn1lem.2 | ⊢ (𝜑 → 𝐹 ⇝ 𝐴) |
| climcn1lem.4 | ⊢ (𝜑 → 𝐺 ∈ 𝑊) |
| climcn1lem.5 | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
| climcn1lem.6 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℂ) |
| climcn1lem.7 | ⊢ 𝐻:ℂ⟶ℂ |
| climcn1lem.8 | ⊢ ((𝐴 ∈ ℂ ∧ 𝑥 ∈ ℝ+) → ∃𝑦 ∈ ℝ+ ∀𝑧 ∈ ℂ ((abs‘(𝑧 − 𝐴)) < 𝑦 → (abs‘((𝐻‘𝑧) − (𝐻‘𝐴))) < 𝑥)) |
| climcn1lem.9 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐺‘𝑘) = (𝐻‘(𝐹‘𝑘))) |
| Ref | Expression |
|---|---|
| climcn1lem | ⊢ (𝜑 → 𝐺 ⇝ (𝐻‘𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | climcn1lem.1 | . 2 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
| 2 | climcn1lem.5 | . 2 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
| 3 | climcn1lem.2 | . . 3 ⊢ (𝜑 → 𝐹 ⇝ 𝐴) | |
| 4 | climcl 11847 | . . 3 ⊢ (𝐹 ⇝ 𝐴 → 𝐴 ∈ ℂ) | |
| 5 | 3, 4 | syl 14 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| 6 | climcn1lem.7 | . . . 4 ⊢ 𝐻:ℂ⟶ℂ | |
| 7 | 6 | ffvelcdmi 5781 | . . 3 ⊢ (𝑧 ∈ ℂ → (𝐻‘𝑧) ∈ ℂ) |
| 8 | 7 | adantl 277 | . 2 ⊢ ((𝜑 ∧ 𝑧 ∈ ℂ) → (𝐻‘𝑧) ∈ ℂ) |
| 9 | climcn1lem.4 | . 2 ⊢ (𝜑 → 𝐺 ∈ 𝑊) | |
| 10 | climcn1lem.8 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝑥 ∈ ℝ+) → ∃𝑦 ∈ ℝ+ ∀𝑧 ∈ ℂ ((abs‘(𝑧 − 𝐴)) < 𝑦 → (abs‘((𝐻‘𝑧) − (𝐻‘𝐴))) < 𝑥)) | |
| 11 | 5, 10 | sylan 283 | . 2 ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ+) → ∃𝑦 ∈ ℝ+ ∀𝑧 ∈ ℂ ((abs‘(𝑧 − 𝐴)) < 𝑦 → (abs‘((𝐻‘𝑧) − (𝐻‘𝐴))) < 𝑥)) |
| 12 | climcn1lem.6 | . 2 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℂ) | |
| 13 | climcn1lem.9 | . 2 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐺‘𝑘) = (𝐻‘(𝐹‘𝑘))) | |
| 14 | 1, 2, 5, 8, 3, 9, 11, 12, 13 | climcn1 11873 | 1 ⊢ (𝜑 → 𝐺 ⇝ (𝐻‘𝐴)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1397 ∈ wcel 2202 ∀wral 2510 ∃wrex 2511 class class class wbr 4088 ⟶wf 5322 ‘cfv 5326 (class class class)co 6018 ℂcc 8030 < clt 8214 − cmin 8350 ℤcz 9479 ℤ≥cuz 9755 ℝ+crp 9888 abscabs 11562 ⇝ 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-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 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-addcom 8132 ax-addass 8134 ax-distr 8136 ax-i2m1 8137 ax-0lt1 8138 ax-0id 8140 ax-rnegex 8141 ax-cnre 8143 ax-pre-ltirr 8144 ax-pre-ltwlin 8145 ax-pre-lttrn 8146 ax-pre-apti 8147 ax-pre-ltadd 8148 |
| 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-rab 2519 df-v 2804 df-sbc 3032 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-if 3606 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-br 4089 df-opab 4151 df-mpt 4152 df-id 4390 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-fv 5334 df-riota 5971 df-ov 6021 df-oprab 6022 df-mpo 6023 df-pnf 8216 df-mnf 8217 df-xr 8218 df-ltxr 8219 df-le 8220 df-sub 8352 df-neg 8353 df-inn 9144 df-n0 9403 df-z 9480 df-uz 9756 df-clim 11844 |
| This theorem is referenced by: climabs 11885 climcj 11886 climre 11887 climim 11888 |
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