| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > climmpt | Structured version Visualization version GIF version | ||
| Description: Exhibit a function 𝐺 with the same convergence properties as the not-quite-function 𝐹. (Contributed by Mario Carneiro, 31-Jan-2014.) |
| Ref | Expression |
|---|---|
| 2clim.1 | ⊢ 𝑍 = (ℤ≥‘𝑀) |
| climmpt.2 | ⊢ 𝐺 = (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) |
| Ref | Expression |
|---|---|
| climmpt | ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → (𝐹 ⇝ 𝐴 ↔ 𝐺 ⇝ 𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2clim.1 | . 2 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
| 2 | simpr 484 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → 𝐹 ∈ 𝑉) | |
| 3 | climmpt.2 | . . . 4 ⊢ 𝐺 = (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) | |
| 4 | fvex 6847 | . . . . . 6 ⊢ (ℤ≥‘𝑀) ∈ V | |
| 5 | 1, 4 | eqeltri 2832 | . . . . 5 ⊢ 𝑍 ∈ V |
| 6 | 5 | mptex 7169 | . . . 4 ⊢ (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) ∈ V |
| 7 | 3, 6 | eqeltri 2832 | . . 3 ⊢ 𝐺 ∈ V |
| 8 | 7 | a1i 11 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → 𝐺 ∈ V) |
| 9 | simpl 482 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → 𝑀 ∈ ℤ) | |
| 10 | fveq2 6834 | . . . . 5 ⊢ (𝑘 = 𝑚 → (𝐹‘𝑘) = (𝐹‘𝑚)) | |
| 11 | fvex 6847 | . . . . 5 ⊢ (𝐹‘𝑚) ∈ V | |
| 12 | 10, 3, 11 | fvmpt 6941 | . . . 4 ⊢ (𝑚 ∈ 𝑍 → (𝐺‘𝑚) = (𝐹‘𝑚)) |
| 13 | 12 | eqcomd 2742 | . . 3 ⊢ (𝑚 ∈ 𝑍 → (𝐹‘𝑚) = (𝐺‘𝑚)) |
| 14 | 13 | adantl 481 | . 2 ⊢ (((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) ∧ 𝑚 ∈ 𝑍) → (𝐹‘𝑚) = (𝐺‘𝑚)) |
| 15 | 1, 2, 8, 9, 14 | climeq 15490 | 1 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → (𝐹 ⇝ 𝐴 ↔ 𝐺 ⇝ 𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1541 ∈ wcel 2113 Vcvv 3440 class class class wbr 5098 ↦ cmpt 5179 ‘cfv 6492 ℤcz 12488 ℤ≥cuz 12751 ⇝ cli 15407 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-rep 5224 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-cnex 11082 ax-resscn 11083 ax-pre-lttri 11100 ax-pre-lttrn 11101 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-po 5532 df-so 5533 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-ov 7361 df-er 8635 df-en 8884 df-dom 8885 df-sdom 8886 df-pnf 11168 df-mnf 11169 df-xr 11170 df-ltxr 11171 df-le 11172 df-neg 11367 df-z 12489 df-uz 12752 df-clim 15411 |
| This theorem is referenced by: climmpt2 15496 climrecl 15506 climge0 15507 caurcvg2 15601 caucvg 15602 climfsum 15743 dstfrvclim1 34635 divcnvg 45869 climmptf 45921 |
| Copyright terms: Public domain | W3C validator |