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Mirrors > Home > MPE Home > Th. List > climmpt2 | Structured version Visualization version GIF version |
Description: Relate an integer limit on a not-quite-function to a real limit. (Contributed by Mario Carneiro, 17-Sep-2014.) |
Ref | Expression |
---|---|
climmpt2.1 | ⊢ 𝑍 = (ℤ≥‘𝑀) |
climmpt2.2 | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
climmpt2.3 | ⊢ (𝜑 → 𝐹 ∈ 𝑉) |
climmpt2.5 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℂ) |
Ref | Expression |
---|---|
climmpt2 | ⊢ (𝜑 → (𝐹 ⇝ 𝐴 ↔ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝𝑟 𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | climmpt2.2 | . . 3 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
2 | climmpt2.3 | . . 3 ⊢ (𝜑 → 𝐹 ∈ 𝑉) | |
3 | climmpt2.1 | . . . 4 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
4 | eqid 2734 | . . . 4 ⊢ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) = (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) | |
5 | 3, 4 | climmpt 15603 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → (𝐹 ⇝ 𝐴 ↔ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝ 𝐴)) |
6 | 1, 2, 5 | syl2anc 584 | . 2 ⊢ (𝜑 → (𝐹 ⇝ 𝐴 ↔ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝ 𝐴)) |
7 | climmpt2.5 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℂ) | |
8 | 7 | ralrimiva 3143 | . . . . . 6 ⊢ (𝜑 → ∀𝑘 ∈ 𝑍 (𝐹‘𝑘) ∈ ℂ) |
9 | fveq2 6906 | . . . . . . . . 9 ⊢ (𝑘 = 𝑚 → (𝐹‘𝑘) = (𝐹‘𝑚)) | |
10 | 9 | eleq1d 2823 | . . . . . . . 8 ⊢ (𝑘 = 𝑚 → ((𝐹‘𝑘) ∈ ℂ ↔ (𝐹‘𝑚) ∈ ℂ)) |
11 | 10 | cbvralvw 3234 | . . . . . . 7 ⊢ (∀𝑘 ∈ 𝑍 (𝐹‘𝑘) ∈ ℂ ↔ ∀𝑚 ∈ 𝑍 (𝐹‘𝑚) ∈ ℂ) |
12 | fveq2 6906 | . . . . . . . . 9 ⊢ (𝑚 = 𝑛 → (𝐹‘𝑚) = (𝐹‘𝑛)) | |
13 | 12 | eleq1d 2823 | . . . . . . . 8 ⊢ (𝑚 = 𝑛 → ((𝐹‘𝑚) ∈ ℂ ↔ (𝐹‘𝑛) ∈ ℂ)) |
14 | 13 | cbvralvw 3234 | . . . . . . 7 ⊢ (∀𝑚 ∈ 𝑍 (𝐹‘𝑚) ∈ ℂ ↔ ∀𝑛 ∈ 𝑍 (𝐹‘𝑛) ∈ ℂ) |
15 | 11, 14 | bitri 275 | . . . . . 6 ⊢ (∀𝑘 ∈ 𝑍 (𝐹‘𝑘) ∈ ℂ ↔ ∀𝑛 ∈ 𝑍 (𝐹‘𝑛) ∈ ℂ) |
16 | 8, 15 | sylib 218 | . . . . 5 ⊢ (𝜑 → ∀𝑛 ∈ 𝑍 (𝐹‘𝑛) ∈ ℂ) |
17 | 16 | r19.21bi 3248 | . . . 4 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝑍) → (𝐹‘𝑛) ∈ ℂ) |
18 | 17 | fmpttd 7134 | . . 3 ⊢ (𝜑 → (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)):𝑍⟶ℂ) |
19 | 3, 1, 18 | rlimclim 15578 | . 2 ⊢ (𝜑 → ((𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝𝑟 𝐴 ↔ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝ 𝐴)) |
20 | 6, 19 | bitr4d 282 | 1 ⊢ (𝜑 → (𝐹 ⇝ 𝐴 ↔ (𝑛 ∈ 𝑍 ↦ (𝐹‘𝑛)) ⇝𝑟 𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1536 ∈ wcel 2105 ∀wral 3058 class class class wbr 5147 ↦ cmpt 5230 ‘cfv 6562 ℂcc 11150 ℤcz 12610 ℤ≥cuz 12875 ⇝ cli 15516 ⇝𝑟 crli 15517 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1791 ax-4 1805 ax-5 1907 ax-6 1964 ax-7 2004 ax-8 2107 ax-9 2115 ax-10 2138 ax-11 2154 ax-12 2174 ax-ext 2705 ax-rep 5284 ax-sep 5301 ax-nul 5311 ax-pow 5370 ax-pr 5437 ax-un 7753 ax-cnex 11208 ax-resscn 11209 ax-1cn 11210 ax-icn 11211 ax-addcl 11212 ax-addrcl 11213 ax-mulcl 11214 ax-mulrcl 11215 ax-mulcom 11216 ax-addass 11217 ax-mulass 11218 ax-distr 11219 ax-i2m1 11220 ax-1ne0 11221 ax-1rid 11222 ax-rnegex 11223 ax-rrecex 11224 ax-cnre 11225 ax-pre-lttri 11226 ax-pre-lttrn 11227 ax-pre-ltadd 11228 ax-pre-mulgt0 11229 ax-pre-sup 11230 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1539 df-fal 1549 df-ex 1776 df-nf 1780 df-sb 2062 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2726 df-clel 2813 df-nfc 2889 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-rmo 3377 df-reu 3378 df-rab 3433 df-v 3479 df-sbc 3791 df-csb 3908 df-dif 3965 df-un 3967 df-in 3969 df-ss 3979 df-pss 3982 df-nul 4339 df-if 4531 df-pw 4606 df-sn 4631 df-pr 4633 df-op 4637 df-uni 4912 df-iun 4997 df-br 5148 df-opab 5210 df-mpt 5231 df-tr 5265 df-id 5582 df-eprel 5588 df-po 5596 df-so 5597 df-fr 5640 df-we 5642 df-xp 5694 df-rel 5695 df-cnv 5696 df-co 5697 df-dm 5698 df-rn 5699 df-res 5700 df-ima 5701 df-pred 6322 df-ord 6388 df-on 6389 df-lim 6390 df-suc 6391 df-iota 6515 df-fun 6564 df-fn 6565 df-f 6566 df-f1 6567 df-fo 6568 df-f1o 6569 df-fv 6570 df-riota 7387 df-ov 7433 df-oprab 7434 df-mpo 7435 df-om 7887 df-2nd 8013 df-frecs 8304 df-wrecs 8335 df-recs 8409 df-rdg 8448 df-er 8743 df-pm 8867 df-en 8984 df-dom 8985 df-sdom 8986 df-sup 9479 df-inf 9480 df-pnf 11294 df-mnf 11295 df-xr 11296 df-ltxr 11297 df-le 11298 df-sub 11491 df-neg 11492 df-nn 12264 df-n0 12524 df-z 12611 df-uz 12876 df-fl 13828 df-clim 15520 df-rlim 15521 |
This theorem is referenced by: (None) |
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