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| Mirrors > Home > ILE Home > Th. List > climmpt | 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 110 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → 𝐹 ∈ 𝑉) | |
| 3 | climmpt.2 | . . . 4 ⊢ 𝐺 = (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) | |
| 4 | uzf 9852 | . . . . . . . 8 ⊢ ℤ≥:ℤ⟶𝒫 ℤ | |
| 5 | 4 | ffvelcdmi 5810 | . . . . . . 7 ⊢ (𝑀 ∈ ℤ → (ℤ≥‘𝑀) ∈ 𝒫 ℤ) |
| 6 | elex 2824 | . . . . . . 7 ⊢ ((ℤ≥‘𝑀) ∈ 𝒫 ℤ → (ℤ≥‘𝑀) ∈ V) | |
| 7 | 5, 6 | syl 14 | . . . . . 6 ⊢ (𝑀 ∈ ℤ → (ℤ≥‘𝑀) ∈ V) |
| 8 | 1, 7 | eqeltrid 2319 | . . . . 5 ⊢ (𝑀 ∈ ℤ → 𝑍 ∈ V) |
| 9 | mptexg 5910 | . . . . 5 ⊢ (𝑍 ∈ V → (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) ∈ V) | |
| 10 | 8, 9 | syl 14 | . . . 4 ⊢ (𝑀 ∈ ℤ → (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) ∈ V) |
| 11 | 3, 10 | eqeltrid 2319 | . . 3 ⊢ (𝑀 ∈ ℤ → 𝐺 ∈ V) |
| 12 | 11 | adantr 276 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → 𝐺 ∈ V) |
| 13 | simpl 109 | . 2 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → 𝑀 ∈ ℤ) | |
| 14 | simpr 110 | . . . 4 ⊢ (((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) ∧ 𝑚 ∈ 𝑍) → 𝑚 ∈ 𝑍) | |
| 15 | fvexg 5688 | . . . . 5 ⊢ ((𝐹 ∈ 𝑉 ∧ 𝑚 ∈ 𝑍) → (𝐹‘𝑚) ∈ V) | |
| 16 | 15 | adantll 476 | . . . 4 ⊢ (((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) ∧ 𝑚 ∈ 𝑍) → (𝐹‘𝑚) ∈ V) |
| 17 | fveq2 5669 | . . . . 5 ⊢ (𝑘 = 𝑚 → (𝐹‘𝑘) = (𝐹‘𝑚)) | |
| 18 | 17, 3 | fvmptg 5752 | . . . 4 ⊢ ((𝑚 ∈ 𝑍 ∧ (𝐹‘𝑚) ∈ V) → (𝐺‘𝑚) = (𝐹‘𝑚)) |
| 19 | 14, 16, 18 | syl2anc 411 | . . 3 ⊢ (((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) ∧ 𝑚 ∈ 𝑍) → (𝐺‘𝑚) = (𝐹‘𝑚)) |
| 20 | 19 | eqcomd 2238 | . 2 ⊢ (((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) ∧ 𝑚 ∈ 𝑍) → (𝐹‘𝑚) = (𝐺‘𝑚)) |
| 21 | 1, 2, 12, 13, 20 | climeq 11977 | 1 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ 𝑉) → (𝐹 ⇝ 𝐴 ↔ 𝐺 ⇝ 𝐴)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 = wceq 1398 ∈ wcel 2203 Vcvv 2812 𝒫 cpw 3668 class class class wbr 4108 ↦ cmpt 4170 ‘cfv 5351 ℤcz 9573 ℤ≥cuz 9849 ⇝ cli 11956 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2205 ax-14 2206 ax-ext 2214 ax-coll 4224 ax-sep 4227 ax-pow 4286 ax-pr 4321 ax-un 4553 ax-setind 4658 ax-cnex 8214 ax-resscn 8215 ax-1cn 8216 ax-1re 8217 ax-icn 8218 ax-addcl 8219 ax-addrcl 8220 ax-mulcl 8221 ax-addcom 8223 ax-addass 8225 ax-distr 8227 ax-i2m1 8228 ax-0lt1 8229 ax-0id 8231 ax-rnegex 8232 ax-cnre 8234 ax-pre-ltirr 8235 ax-pre-ltwlin 8236 ax-pre-lttrn 8237 ax-pre-apti 8238 ax-pre-ltadd 8239 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-nel 2508 df-ral 2525 df-rex 2526 df-reu 2527 df-rab 2529 df-v 2814 df-sbc 3042 df-csb 3138 df-dif 3212 df-un 3214 df-in 3216 df-ss 3223 df-if 3620 df-pw 3670 df-sn 3694 df-pr 3695 df-op 3697 df-uni 3914 df-int 3949 df-iun 3992 df-br 4109 df-opab 4171 df-mpt 4172 df-id 4413 df-xp 4754 df-rel 4755 df-cnv 4756 df-co 4757 df-dm 4758 df-rn 4759 df-res 4760 df-ima 4761 df-iota 5311 df-fun 5353 df-fn 5354 df-f 5355 df-f1 5356 df-fo 5357 df-f1o 5358 df-fv 5359 df-riota 6002 df-ov 6052 df-oprab 6053 df-mpo 6054 df-pnf 8306 df-mnf 8307 df-xr 8308 df-ltxr 8309 df-le 8310 df-sub 8442 df-neg 8443 df-inn 9234 df-n0 9493 df-z 9574 df-uz 9850 df-clim 11957 |
| This theorem is referenced by: (None) |
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