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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 1914 | . . . . 5 ⊢ Ⅎ𝑘 𝑗 ∈ 𝑍 | |
| 7 | 5, 6 | nfan 1899 | . . . 4 ⊢ Ⅎ𝑘(𝜑 ∧ 𝑗 ∈ 𝑍) |
| 8 | climeldmeqf.n | . . . . . 6 ⊢ Ⅎ𝑘𝐹 | |
| 9 | nfcv 2898 | . . . . . 6 ⊢ Ⅎ𝑘𝑗 | |
| 10 | 8, 9 | nffv 6886 | . . . . 5 ⊢ Ⅎ𝑘(𝐹‘𝑗) |
| 11 | climeldmeqf.o | . . . . . 6 ⊢ Ⅎ𝑘𝐺 | |
| 12 | 11, 9 | nffv 6886 | . . . . 5 ⊢ Ⅎ𝑘(𝐺‘𝑗) |
| 13 | 10, 12 | nfeq 2912 | . . . 4 ⊢ Ⅎ𝑘(𝐹‘𝑗) = (𝐺‘𝑗) |
| 14 | 7, 13 | nfim 1896 | . . 3 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐹‘𝑗) = (𝐺‘𝑗)) |
| 15 | eleq1w 2817 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝑘 ∈ 𝑍 ↔ 𝑗 ∈ 𝑍)) | |
| 16 | 15 | anbi2d 630 | . . . 4 ⊢ (𝑘 = 𝑗 → ((𝜑 ∧ 𝑘 ∈ 𝑍) ↔ (𝜑 ∧ 𝑗 ∈ 𝑍))) |
| 17 | fveq2 6876 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝐹‘𝑘) = (𝐹‘𝑗)) | |
| 18 | fveq2 6876 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝐺‘𝑘) = (𝐺‘𝑗)) | |
| 19 | 17, 18 | eqeq12d 2751 | . . . 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 2240 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐹‘𝑗) = (𝐺‘𝑗)) |
| 23 | 1, 2, 3, 4, 22 | climeldmeq 45694 | 1 ⊢ (𝜑 → (𝐹 ∈ dom ⇝ ↔ 𝐺 ∈ dom ⇝ )) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1540 Ⅎwnf 1783 ∈ wcel 2108 Ⅎwnfc 2883 dom cdm 5654 ‘cfv 6531 ℤcz 12588 ℤ≥cuz 12852 ⇝ cli 15500 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2707 ax-sep 5266 ax-nul 5276 ax-pow 5335 ax-pr 5402 ax-un 7729 ax-cnex 11185 ax-resscn 11186 ax-1cn 11187 ax-icn 11188 ax-addcl 11189 ax-addrcl 11190 ax-mulcl 11191 ax-mulrcl 11192 ax-mulcom 11193 ax-addass 11194 ax-mulass 11195 ax-distr 11196 ax-i2m1 11197 ax-1ne0 11198 ax-1rid 11199 ax-rnegex 11200 ax-rrecex 11201 ax-cnre 11202 ax-pre-lttri 11203 ax-pre-lttrn 11204 ax-pre-ltadd 11205 ax-pre-mulgt0 11206 ax-pre-sup 11207 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2809 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3359 df-reu 3360 df-rab 3416 df-v 3461 df-sbc 3766 df-csb 3875 df-dif 3929 df-un 3931 df-in 3933 df-ss 3943 df-pss 3946 df-nul 4309 df-if 4501 df-pw 4577 df-sn 4602 df-pr 4604 df-op 4608 df-uni 4884 df-iun 4969 df-br 5120 df-opab 5182 df-mpt 5202 df-tr 5230 df-id 5548 df-eprel 5553 df-po 5561 df-so 5562 df-fr 5606 df-we 5608 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-pred 6290 df-ord 6355 df-on 6356 df-lim 6357 df-suc 6358 df-iota 6484 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7362 df-ov 7408 df-oprab 7409 df-mpo 7410 df-om 7862 df-2nd 7989 df-frecs 8280 df-wrecs 8311 df-recs 8385 df-rdg 8424 df-er 8719 df-en 8960 df-dom 8961 df-sdom 8962 df-sup 9454 df-pnf 11271 df-mnf 11272 df-xr 11273 df-ltxr 11274 df-le 11275 df-sub 11468 df-neg 11469 df-div 11895 df-nn 12241 df-2 12303 df-3 12304 df-n0 12502 df-z 12589 df-uz 12853 df-rp 13009 df-seq 14020 df-exp 14080 df-cj 15118 df-re 15119 df-im 15120 df-sqrt 15254 df-abs 15255 df-clim 15504 |
| This theorem is referenced by: climeldmeqmpt2 45724 |
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