| 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 488 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → 𝐹 ∈ 𝑉) | |
| 3 | climmpt.2 | . . . 4 ⊢ 𝐺 = (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) | |
| 4 | fvex 6876 | . . . . . 6 ⊢ (ℤ≥‘𝑀) ∈ V | |
| 5 | 1, 4 | eqeltri 2857 | . . . . 5 ⊢ 𝑍 ∈ V |
| 6 | 5 | mptex 7203 | . . . 4 ⊢ (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) ∈ V |
| 7 | 3, 6 | eqeltri 2857 | . . 3 ⊢ 𝐺 ∈ V |
| 8 | 7 | a1i 11 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → 𝐺 ∈ V) |
| 9 | simpl 486 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → 𝑀 ∈ ℤ) | |
| 10 | fveq2 6863 | . . . . 5 ⊢ (𝑘 = 𝑚 → (𝐹‘𝑘) = (𝐹‘𝑚)) | |
| 11 | fvex 6876 | . . . . 5 ⊢ (𝐹‘𝑚) ∈ V | |
| 12 | 10, 3, 11 | fvmpt 6971 | . . . 4 ⊢ (𝑚 ∈ 𝑍 → (𝐺‘𝑚) = (𝐹‘𝑚)) |
| 13 | 12 | eqcomd 2767 | . . 3 ⊢ (𝑚 ∈ 𝑍 → (𝐹‘𝑚) = (𝐺‘𝑚)) |
| 14 | 13 | adantl 485 | . 2 ⊢ (((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) ∧ 𝑚 ∈ 𝑍) → (𝐹‘𝑚) = (𝐺‘𝑚)) |
| 15 | 1, 2, 8, 9, 14 | climeq 15577 | 1 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → (𝐹 ⇝ 𝐴 ↔ 𝐺 ⇝ 𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 ∧ wa 399 = wceq 1559 ∈ wcel 2141 Vcvv 3453 class class class wbr 5099 ↦ cmpt 5180 ‘cfv 6517 ℤcz 12565 ℤ≥cuz 12836 ⇝ cli 15494 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5226 ax-sep 5245 ax-nul 5255 ax-pow 5321 ax-pr 5389 ax-un 7714 ax-cnex 11126 ax-resscn 11127 ax-pre-lttri 11144 ax-pre-lttrn 11145 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4950 df-br 5100 df-opab 5162 df-mpt 5181 df-id 5540 df-po 5553 df-so 5554 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-iota 6473 df-fun 6519 df-fn 6520 df-f 6521 df-f1 6522 df-fo 6523 df-f1o 6524 df-fv 6525 df-ov 7395 df-er 8673 df-en 8924 df-dom 8925 df-sdom 8926 df-pnf 11215 df-mnf 11216 df-xr 11217 df-ltxr 11218 df-le 11219 df-neg 11414 df-z 12566 df-uz 12837 df-clim 15498 |
| This theorem is referenced by: climmpt2 15583 climrecl 15593 climge0 15594 caurcvg2 15688 caucvg 15689 climfsum 15831 dstfrvclim1 34736 divcnvg 46167 climmptf 46219 |
| Copyright terms: Public domain | W3C validator |