Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > climmptf | Structured version Visualization version GIF version |
Description: Exhibit a function 𝐺 with the same convergence properties as the not-quite-function 𝐹. (Contributed by Glauco Siliprandi, 23-Oct-2021.) |
Ref | Expression |
---|---|
climmptf.k | ⊢ Ⅎ𝑘𝐹 |
climmptf.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
climmptf.f | ⊢ (𝜑 → 𝐹 ∈ 𝑉) |
climmptf.z | ⊢ 𝑍 = (ℤ≥‘𝑀) |
climmptf.g | ⊢ 𝐺 = (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) |
Ref | Expression |
---|---|
climmptf | ⊢ (𝜑 → (𝐹 ⇝ 𝐴 ↔ 𝐺 ⇝ 𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | climmptf.m | . 2 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
2 | climmptf.f | . 2 ⊢ (𝜑 → 𝐹 ∈ 𝑉) | |
3 | climmptf.z | . . 3 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
4 | climmptf.g | . . . 4 ⊢ 𝐺 = (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) | |
5 | nfcv 2907 | . . . . 5 ⊢ Ⅎ𝑗(𝐹‘𝑘) | |
6 | climmptf.k | . . . . . 6 ⊢ Ⅎ𝑘𝐹 | |
7 | nfcv 2907 | . . . . . 6 ⊢ Ⅎ𝑘𝑗 | |
8 | 6, 7 | nffv 6777 | . . . . 5 ⊢ Ⅎ𝑘(𝐹‘𝑗) |
9 | fveq2 6767 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝐹‘𝑘) = (𝐹‘𝑗)) | |
10 | 5, 8, 9 | cbvmpt 5185 | . . . 4 ⊢ (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) = (𝑗 ∈ 𝑍 ↦ (𝐹‘𝑗)) |
11 | 4, 10 | eqtri 2766 | . . 3 ⊢ 𝐺 = (𝑗 ∈ 𝑍 ↦ (𝐹‘𝑗)) |
12 | 3, 11 | climmpt 15268 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → (𝐹 ⇝ 𝐴 ↔ 𝐺 ⇝ 𝐴)) |
13 | 1, 2, 12 | syl2anc 584 | 1 ⊢ (𝜑 → (𝐹 ⇝ 𝐴 ↔ 𝐺 ⇝ 𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 = wceq 1539 ∈ wcel 2106 Ⅎwnfc 2887 class class class wbr 5074 ↦ cmpt 5157 ‘cfv 6427 ℤcz 12307 ℤ≥cuz 12570 ⇝ cli 15181 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5222 ax-nul 5229 ax-pow 5287 ax-pr 5351 ax-un 7579 ax-cnex 10915 ax-resscn 10916 ax-pre-lttri 10933 ax-pre-lttrn 10934 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3071 df-rab 3073 df-v 3432 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4258 df-if 4461 df-pw 4536 df-sn 4563 df-pr 4565 df-op 4569 df-uni 4841 df-iun 4927 df-br 5075 df-opab 5137 df-mpt 5158 df-id 5485 df-po 5499 df-so 5500 df-xp 5591 df-rel 5592 df-cnv 5593 df-co 5594 df-dm 5595 df-rn 5596 df-res 5597 df-ima 5598 df-iota 6385 df-fun 6429 df-fn 6430 df-f 6431 df-f1 6432 df-fo 6433 df-f1o 6434 df-fv 6435 df-ov 7271 df-er 8486 df-en 8722 df-dom 8723 df-sdom 8724 df-pnf 10999 df-mnf 11000 df-xr 11001 df-ltxr 11002 df-le 11003 df-neg 11196 df-z 12308 df-uz 12571 df-clim 15185 |
This theorem is referenced by: (None) |
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