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| Mirrors > Home > MPE Home > Th. List > Mathboxes > climeldmeq | 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, 26-Jun-2021.) |
| Ref | Expression |
|---|---|
| climeldmeq.z | ⊢ 𝑍 = (ℤ≥‘𝑀) |
| climeldmeq.f | ⊢ (𝜑 → 𝐹 ∈ 𝑉) |
| climeldmeq.g | ⊢ (𝜑 → 𝐺 ∈ 𝑊) |
| climeldmeq.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
| climeldmeq.e | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) = (𝐺‘𝑘)) |
| Ref | Expression |
|---|---|
| climeldmeq | ⊢ (𝜑 → (𝐹 ∈ dom ⇝ ↔ 𝐺 ∈ dom ⇝ )) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | climeldmeq.g | . . . . 5 ⊢ (𝜑 → 𝐺 ∈ 𝑊) | |
| 2 | 1 | adantr 485 | . . . 4 ⊢ ((𝜑 ∧ 𝐹 ∈ dom ⇝ ) → 𝐺 ∈ 𝑊) |
| 3 | fvexd 6897 | . . . 4 ⊢ ((𝜑 ∧ 𝐹 ∈ dom ⇝ ) → ( ⇝ ‘𝐹) ∈ V) | |
| 4 | climdm 15605 | . . . . . 6 ⊢ (𝐹 ∈ dom ⇝ ↔ 𝐹 ⇝ ( ⇝ ‘𝐹)) | |
| 5 | 4 | bilani 509 | . . . . 5 ⊢ ((𝜑 ∧ 𝐹 ∈ dom ⇝ ) → 𝐹 ⇝ ( ⇝ ‘𝐹)) |
| 6 | climeldmeq.z | . . . . . . 7 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
| 7 | climeldmeq.f | . . . . . . 7 ⊢ (𝜑 → 𝐹 ∈ 𝑉) | |
| 8 | climeldmeq.m | . . . . . . 7 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
| 9 | climeldmeq.e | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) = (𝐺‘𝑘)) | |
| 10 | 6, 7, 1, 8, 9 | climeq 15618 | . . . . . 6 ⊢ (𝜑 → (𝐹 ⇝ ( ⇝ ‘𝐹) ↔ 𝐺 ⇝ ( ⇝ ‘𝐹))) |
| 11 | 10 | adantr 485 | . . . . 5 ⊢ ((𝜑 ∧ 𝐹 ∈ dom ⇝ ) → (𝐹 ⇝ ( ⇝ ‘𝐹) ↔ 𝐺 ⇝ ( ⇝ ‘𝐹))) |
| 12 | 5, 11 | mpbid 235 | . . . 4 ⊢ ((𝜑 ∧ 𝐹 ∈ dom ⇝ ) → 𝐺 ⇝ ( ⇝ ‘𝐹)) |
| 13 | breldmg 5900 | . . . 4 ⊢ ((𝐺 ∈ 𝑊 ∧ ( ⇝ ‘𝐹) ∈ V ∧ 𝐺 ⇝ ( ⇝ ‘𝐹)) → 𝐺 ∈ dom ⇝ ) | |
| 14 | 2, 3, 12, 13 | syl3anc 1396 | . . 3 ⊢ ((𝜑 ∧ 𝐹 ∈ dom ⇝ ) → 𝐺 ∈ dom ⇝ ) |
| 15 | 14 | ex 417 | . 2 ⊢ (𝜑 → (𝐹 ∈ dom ⇝ → 𝐺 ∈ dom ⇝ )) |
| 16 | 7 | adantr 485 | . . . 4 ⊢ ((𝜑 ∧ 𝐺 ∈ dom ⇝ ) → 𝐹 ∈ 𝑉) |
| 17 | fvexd 6897 | . . . 4 ⊢ ((𝜑 ∧ 𝐺 ∈ dom ⇝ ) → ( ⇝ ‘𝐺) ∈ V) | |
| 18 | climdm 15605 | . . . . . 6 ⊢ (𝐺 ∈ dom ⇝ ↔ 𝐺 ⇝ ( ⇝ ‘𝐺)) | |
| 19 | 18 | bilani 509 | . . . . 5 ⊢ ((𝜑 ∧ 𝐺 ∈ dom ⇝ ) → 𝐺 ⇝ ( ⇝ ‘𝐺)) |
| 20 | 9 | eqcomd 2775 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐺‘𝑘) = (𝐹‘𝑘)) |
| 21 | 6, 1, 7, 8, 20 | climeq 15618 | . . . . . 6 ⊢ (𝜑 → (𝐺 ⇝ ( ⇝ ‘𝐺) ↔ 𝐹 ⇝ ( ⇝ ‘𝐺))) |
| 22 | 21 | adantr 485 | . . . . 5 ⊢ ((𝜑 ∧ 𝐺 ∈ dom ⇝ ) → (𝐺 ⇝ ( ⇝ ‘𝐺) ↔ 𝐹 ⇝ ( ⇝ ‘𝐺))) |
| 23 | 19, 22 | mpbid 235 | . . . 4 ⊢ ((𝜑 ∧ 𝐺 ∈ dom ⇝ ) → 𝐹 ⇝ ( ⇝ ‘𝐺)) |
| 24 | breldmg 5900 | . . . 4 ⊢ ((𝐹 ∈ 𝑉 ∧ ( ⇝ ‘𝐺) ∈ V ∧ 𝐹 ⇝ ( ⇝ ‘𝐺)) → 𝐹 ∈ dom ⇝ ) | |
| 25 | 16, 17, 23, 24 | syl3anc 1396 | . . 3 ⊢ ((𝜑 ∧ 𝐺 ∈ dom ⇝ ) → 𝐹 ∈ dom ⇝ ) |
| 26 | 25 | ex 417 | . 2 ⊢ (𝜑 → (𝐺 ∈ dom ⇝ → 𝐹 ∈ dom ⇝ )) |
| 27 | 15, 26 | impbid 215 | 1 ⊢ (𝜑 → (𝐹 ∈ dom ⇝ ↔ 𝐺 ∈ dom ⇝ )) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 ∧ wa 400 = wceq 1567 ∈ wcel 2149 Vcvv 3463 class class class wbr 5113 dom cdm 5662 ‘cfv 6537 ℤcz 12591 ℤ≥cuz 12862 ⇝ cli 15535 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-cnex 11156 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-mulrcl 11163 ax-mulcom 11164 ax-addass 11165 ax-mulass 11166 ax-distr 11167 ax-i2m1 11168 ax-1ne0 11169 ax-1rid 11170 ax-rnegex 11171 ax-rrecex 11172 ax-cnre 11173 ax-pre-lttri 11174 ax-pre-lttrn 11175 ax-pre-ltadd 11176 ax-pre-mulgt0 11177 ax-pre-sup 11178 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-om 7863 df-2nd 7987 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-er 8694 df-en 8944 df-dom 8945 df-sdom 8946 df-sup 9402 df-pnf 11245 df-mnf 11246 df-xr 11247 df-ltxr 11248 df-le 11249 df-sub 11443 df-neg 11444 df-div 11872 df-nn 12234 df-2 12303 df-3 12304 df-n0 12505 df-z 12592 df-uz 12863 df-rp 13017 df-seq 14038 df-exp 14098 df-cj 15150 df-re 15151 df-im 15152 df-sqrt 15286 df-abs 15287 df-clim 15539 |
| This theorem is referenced by: climeldmeqmpt 46274 climfveq 46275 climfveqf 46286 climeldmeqf 46289 climeldmeqmpt3 46295 |
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