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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 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐹 ∈ dom ⇝ ) → 𝐺 ∈ 𝑊) |
| 3 | fvexd 6847 | . . . 4 ⊢ ((𝜑 ∧ 𝐹 ∈ dom ⇝ ) → ( ⇝ ‘𝐹) ∈ V) | |
| 4 | climdm 15475 | . . . . . . 7 ⊢ (𝐹 ∈ dom ⇝ ↔ 𝐹 ⇝ ( ⇝ ‘𝐹)) | |
| 5 | 4 | a1i 11 | . . . . . 6 ⊢ (𝜑 → (𝐹 ∈ dom ⇝ ↔ 𝐹 ⇝ ( ⇝ ‘𝐹))) |
| 6 | 5 | biimpa 476 | . . . . 5 ⊢ ((𝜑 ∧ 𝐹 ∈ dom ⇝ ) → 𝐹 ⇝ ( ⇝ ‘𝐹)) |
| 7 | climeldmeq.z | . . . . . . 7 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
| 8 | climeldmeq.f | . . . . . . 7 ⊢ (𝜑 → 𝐹 ∈ 𝑉) | |
| 9 | climeldmeq.m | . . . . . . 7 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
| 10 | climeldmeq.e | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) = (𝐺‘𝑘)) | |
| 11 | 7, 8, 1, 9, 10 | climeq 15488 | . . . . . 6 ⊢ (𝜑 → (𝐹 ⇝ ( ⇝ ‘𝐹) ↔ 𝐺 ⇝ ( ⇝ ‘𝐹))) |
| 12 | 11 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝐹 ∈ dom ⇝ ) → (𝐹 ⇝ ( ⇝ ‘𝐹) ↔ 𝐺 ⇝ ( ⇝ ‘𝐹))) |
| 13 | 6, 12 | mpbid 232 | . . . 4 ⊢ ((𝜑 ∧ 𝐹 ∈ dom ⇝ ) → 𝐺 ⇝ ( ⇝ ‘𝐹)) |
| 14 | breldmg 5856 | . . . 4 ⊢ ((𝐺 ∈ 𝑊 ∧ ( ⇝ ‘𝐹) ∈ V ∧ 𝐺 ⇝ ( ⇝ ‘𝐹)) → 𝐺 ∈ dom ⇝ ) | |
| 15 | 2, 3, 13, 14 | syl3anc 1373 | . . 3 ⊢ ((𝜑 ∧ 𝐹 ∈ dom ⇝ ) → 𝐺 ∈ dom ⇝ ) |
| 16 | 15 | ex 412 | . 2 ⊢ (𝜑 → (𝐹 ∈ dom ⇝ → 𝐺 ∈ dom ⇝ )) |
| 17 | 8 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐺 ∈ dom ⇝ ) → 𝐹 ∈ 𝑉) |
| 18 | fvexd 6847 | . . . 4 ⊢ ((𝜑 ∧ 𝐺 ∈ dom ⇝ ) → ( ⇝ ‘𝐺) ∈ V) | |
| 19 | climdm 15475 | . . . . . . 7 ⊢ (𝐺 ∈ dom ⇝ ↔ 𝐺 ⇝ ( ⇝ ‘𝐺)) | |
| 20 | 19 | biimpi 216 | . . . . . 6 ⊢ (𝐺 ∈ dom ⇝ → 𝐺 ⇝ ( ⇝ ‘𝐺)) |
| 21 | 20 | adantl 481 | . . . . 5 ⊢ ((𝜑 ∧ 𝐺 ∈ dom ⇝ ) → 𝐺 ⇝ ( ⇝ ‘𝐺)) |
| 22 | 10 | eqcomd 2740 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐺‘𝑘) = (𝐹‘𝑘)) |
| 23 | 7, 1, 8, 9, 22 | climeq 15488 | . . . . . 6 ⊢ (𝜑 → (𝐺 ⇝ ( ⇝ ‘𝐺) ↔ 𝐹 ⇝ ( ⇝ ‘𝐺))) |
| 24 | 23 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝐺 ∈ dom ⇝ ) → (𝐺 ⇝ ( ⇝ ‘𝐺) ↔ 𝐹 ⇝ ( ⇝ ‘𝐺))) |
| 25 | 21, 24 | mpbid 232 | . . . 4 ⊢ ((𝜑 ∧ 𝐺 ∈ dom ⇝ ) → 𝐹 ⇝ ( ⇝ ‘𝐺)) |
| 26 | breldmg 5856 | . . . 4 ⊢ ((𝐹 ∈ 𝑉 ∧ ( ⇝ ‘𝐺) ∈ V ∧ 𝐹 ⇝ ( ⇝ ‘𝐺)) → 𝐹 ∈ dom ⇝ ) | |
| 27 | 17, 18, 25, 26 | syl3anc 1373 | . . 3 ⊢ ((𝜑 ∧ 𝐺 ∈ dom ⇝ ) → 𝐹 ∈ dom ⇝ ) |
| 28 | 27 | ex 412 | . 2 ⊢ (𝜑 → (𝐺 ∈ dom ⇝ → 𝐹 ∈ dom ⇝ )) |
| 29 | 16, 28 | impbid 212 | 1 ⊢ (𝜑 → (𝐹 ∈ dom ⇝ ↔ 𝐺 ∈ dom ⇝ )) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1541 ∈ wcel 2113 Vcvv 3438 class class class wbr 5096 dom cdm 5622 ‘cfv 6490 ℤcz 12486 ℤ≥cuz 12749 ⇝ cli 15405 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 ax-cnex 11080 ax-resscn 11081 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-addrcl 11085 ax-mulcl 11086 ax-mulrcl 11087 ax-mulcom 11088 ax-addass 11089 ax-mulass 11090 ax-distr 11091 ax-i2m1 11092 ax-1ne0 11093 ax-1rid 11094 ax-rnegex 11095 ax-rrecex 11096 ax-cnre 11097 ax-pre-lttri 11098 ax-pre-lttrn 11099 ax-pre-ltadd 11100 ax-pre-mulgt0 11101 ax-pre-sup 11102 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3059 df-rmo 3348 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-iun 4946 df-br 5097 df-opab 5159 df-mpt 5178 df-tr 5204 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-om 7807 df-2nd 7932 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-er 8633 df-en 8882 df-dom 8883 df-sdom 8884 df-sup 9343 df-pnf 11166 df-mnf 11167 df-xr 11168 df-ltxr 11169 df-le 11170 df-sub 11364 df-neg 11365 df-div 11793 df-nn 12144 df-2 12206 df-3 12207 df-n0 12400 df-z 12487 df-uz 12750 df-rp 12904 df-seq 13923 df-exp 13983 df-cj 15020 df-re 15021 df-im 15022 df-sqrt 15156 df-abs 15157 df-clim 15409 |
| This theorem is referenced by: climeldmeqmpt 45854 climfveq 45855 climfveqf 45866 climeldmeqf 45869 climeldmeqmpt3 45875 |
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