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| Mirrors > Home > MPE Home > Th. List > Mathboxes > climeldmeqf | Structured version Visualization version GIF version | ||
| Description: Two functions that are eventually equal, either both are convergent or both are divergent. (Contributed by Glauco Siliprandi, 23-Oct-2021.) |
| Ref | Expression |
|---|---|
| climeldmeqf.p | ⊢ Ⅎ𝑘𝜑 |
| climeldmeqf.n | ⊢ Ⅎ𝑘𝐹 |
| climeldmeqf.o | ⊢ Ⅎ𝑘𝐺 |
| climeldmeqf.z | ⊢ 𝑍 = (ℤ≥‘𝑀) |
| climeldmeqf.f | ⊢ (𝜑 → 𝐹 ∈ 𝑉) |
| climeldmeqf.g | ⊢ (𝜑 → 𝐺 ∈ 𝑊) |
| climeldmeqf.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
| climeldmeqf.e | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) = (𝐺‘𝑘)) |
| Ref | Expression |
|---|---|
| climeldmeqf | ⊢ (𝜑 → (𝐹 ∈ dom ⇝ ↔ 𝐺 ∈ dom ⇝ )) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | climeldmeqf.z | . 2 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
| 2 | climeldmeqf.f | . 2 ⊢ (𝜑 → 𝐹 ∈ 𝑉) | |
| 3 | climeldmeqf.g | . 2 ⊢ (𝜑 → 𝐺 ∈ 𝑊) | |
| 4 | climeldmeqf.m | . 2 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
| 5 | climeldmeqf.p | . . . . 5 ⊢ Ⅎ𝑘𝜑 | |
| 6 | nfv 1916 | . . . . 5 ⊢ Ⅎ𝑘 𝑗 ∈ 𝑍 | |
| 7 | 5, 6 | nfan 1901 | . . . 4 ⊢ Ⅎ𝑘(𝜑 ∧ 𝑗 ∈ 𝑍) |
| 8 | climeldmeqf.n | . . . . . 6 ⊢ Ⅎ𝑘𝐹 | |
| 9 | nfcv 2899 | . . . . . 6 ⊢ Ⅎ𝑘𝑗 | |
| 10 | 8, 9 | nffv 6851 | . . . . 5 ⊢ Ⅎ𝑘(𝐹‘𝑗) |
| 11 | climeldmeqf.o | . . . . . 6 ⊢ Ⅎ𝑘𝐺 | |
| 12 | 11, 9 | nffv 6851 | . . . . 5 ⊢ Ⅎ𝑘(𝐺‘𝑗) |
| 13 | 10, 12 | nfeq 2913 | . . . 4 ⊢ Ⅎ𝑘(𝐹‘𝑗) = (𝐺‘𝑗) |
| 14 | 7, 13 | nfim 1898 | . . 3 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐹‘𝑗) = (𝐺‘𝑗)) |
| 15 | eleq1w 2820 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝑘 ∈ 𝑍 ↔ 𝑗 ∈ 𝑍)) | |
| 16 | 15 | anbi2d 631 | . . . 4 ⊢ (𝑘 = 𝑗 → ((𝜑 ∧ 𝑘 ∈ 𝑍) ↔ (𝜑 ∧ 𝑗 ∈ 𝑍))) |
| 17 | fveq2 6841 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝐹‘𝑘) = (𝐹‘𝑗)) | |
| 18 | fveq2 6841 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝐺‘𝑘) = (𝐺‘𝑗)) | |
| 19 | 17, 18 | eqeq12d 2753 | . . . 4 ⊢ (𝑘 = 𝑗 → ((𝐹‘𝑘) = (𝐺‘𝑘) ↔ (𝐹‘𝑗) = (𝐺‘𝑗))) |
| 20 | 16, 19 | imbi12d 344 | . . 3 ⊢ (𝑘 = 𝑗 → (((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) = (𝐺‘𝑘)) ↔ ((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐹‘𝑗) = (𝐺‘𝑗)))) |
| 21 | climeldmeqf.e | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) = (𝐺‘𝑘)) | |
| 22 | 14, 20, 21 | chvarfv 2248 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐹‘𝑗) = (𝐺‘𝑗)) |
| 23 | 1, 2, 3, 4, 22 | climeldmeq 46093 | 1 ⊢ (𝜑 → (𝐹 ∈ dom ⇝ ↔ 𝐺 ∈ dom ⇝ )) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1542 Ⅎwnf 1785 ∈ wcel 2114 Ⅎwnfc 2884 dom cdm 5631 ‘cfv 6499 ℤcz 12524 ℤ≥cuz 12788 ⇝ cli 15446 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pow 5308 ax-pr 5376 ax-un 7689 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 ax-pre-sup 11116 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6266 df-ord 6327 df-on 6328 df-lim 6329 df-suc 6330 df-iota 6455 df-fun 6501 df-fn 6502 df-f 6503 df-f1 6504 df-fo 6505 df-f1o 6506 df-fv 6507 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-er 8643 df-en 8894 df-dom 8895 df-sdom 8896 df-sup 9355 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-div 11808 df-nn 12175 df-2 12244 df-3 12245 df-n0 12438 df-z 12525 df-uz 12789 df-rp 12943 df-seq 13964 df-exp 14024 df-cj 15061 df-re 15062 df-im 15063 df-sqrt 15197 df-abs 15198 df-clim 15450 |
| This theorem is referenced by: climeldmeqmpt2 46123 |
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