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| Mirrors > Home > MPE Home > Th. List > climrecl | Structured version Visualization version GIF version | ||
| Description: The limit of a convergent real sequence is real. Corollary 12-2.5 of [Gleason] p. 172. (Contributed by NM, 10-Sep-2005.) (Proof shortened by Mario Carneiro, 10-May-2016.) |
| Ref | Expression |
|---|---|
| climshft2.1 | ⊢ 𝑍 = (ℤ≥‘𝑀) |
| climshft2.2 | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
| climrecl.3 | ⊢ (𝜑 → 𝐹 ⇝ 𝐴) |
| climrecl.4 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℝ) |
| Ref | Expression |
|---|---|
| climrecl | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | climshft2.2 | . . 3 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
| 2 | climshft2.1 | . . . 4 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
| 3 | 2 | uzsup 13916 | . . 3 ⊢ (𝑀 ∈ ℤ → sup(𝑍, ℝ*, < ) = +∞) |
| 4 | 1, 3 | syl 18 | . 2 ⊢ (𝜑 → sup(𝑍, ℝ*, < ) = +∞) |
| 5 | climrecl.3 | . . . 4 ⊢ (𝜑 → 𝐹 ⇝ 𝐴) | |
| 6 | climrel 15569 | . . . . . . 7 ⊢ Rel ⇝ | |
| 7 | 6 | brrelex1i 5719 | . . . . . 6 ⊢ (𝐹 ⇝ 𝐴 → 𝐹 ∈ V) |
| 8 | 5, 7 | syl 18 | . . . . 5 ⊢ (𝜑 → 𝐹 ∈ V) |
| 9 | eqid 2765 | . . . . . 6 ⊢ (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) = (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) | |
| 10 | 2, 9 | climmpt 15648 | . . . . 5 ⊢ ((𝑀 ∈ ℤ ∧ 𝐹 ∈ V) → (𝐹 ⇝ 𝐴 ↔ (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) ⇝ 𝐴)) |
| 11 | 1, 8, 10 | syl2anc 596 | . . . 4 ⊢ (𝜑 → (𝐹 ⇝ 𝐴 ↔ (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) ⇝ 𝐴)) |
| 12 | 5, 11 | mpbid 235 | . . 3 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) ⇝ 𝐴) |
| 13 | climrecl.4 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℝ) | |
| 14 | 13 | recnd 11254 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℂ) |
| 15 | 14 | fmpttd 7114 | . . . 4 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)):𝑍⟶ℂ) |
| 16 | 2, 1, 15 | rlimclim 15623 | . . 3 ⊢ (𝜑 → ((𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) ⇝𝑟 𝐴 ↔ (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) ⇝ 𝐴)) |
| 17 | 12, 16 | mpbird 260 | . 2 ⊢ (𝜑 → (𝑘 ∈ 𝑍 ↦ (𝐹‘𝑘)) ⇝𝑟 𝐴) |
| 18 | 4, 17, 13 | rlimrecl 15657 | 1 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2146 Vcvv 3457 class class class wbr 5111 ↦ cmpt 5194 ‘cfv 6540 supcsup 9407 ℂcc 11115 ℝcr 11116 +∞cpnf 11257 ℝ*cxr 11259 < clt 11260 ℤcz 12608 ℤ≥cuz 12880 ⇝ cli 15561 ⇝𝑟 crli 15562 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-cnex 11173 ax-resscn 11174 ax-1cn 11175 ax-icn 11176 ax-addcl 11177 ax-addrcl 11178 ax-mulcl 11179 ax-mulrcl 11180 ax-mulcom 11181 ax-addass 11182 ax-mulass 11183 ax-distr 11184 ax-i2m1 11185 ax-1ne0 11186 ax-1rid 11187 ax-rnegex 11188 ax-rrecex 11189 ax-cnre 11190 ax-pre-lttri 11191 ax-pre-lttrn 11192 ax-pre-ltadd 11193 ax-pre-mulgt0 11194 ax-pre-sup 11195 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7869 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-er 8700 df-pm 8833 df-en 8950 df-dom 8951 df-sdom 8952 df-sup 9409 df-inf 9410 df-pnf 11262 df-mnf 11263 df-xr 11264 df-ltxr 11265 df-le 11266 df-sub 11460 df-neg 11461 df-div 11889 df-nn 12251 df-2 12320 df-3 12321 df-n0 12522 df-z 12609 df-uz 12881 df-rp 13035 df-fl 13845 df-seq 14058 df-exp 14118 df-cj 15176 df-re 15177 df-im 15178 df-sqrt 15312 df-abs 15313 df-clim 15565 df-rlim 15566 |
| This theorem is used by: climle 15717 climsqz 15718 climsqz2 15719 isumrecl 15841 iprodrecl 16081 prmreclem6 17005 mbflimlem 25879 emcllem7 27219 regamcl 27278 relgamcl 27279 rge0scvg 34405 esumpcvgval 34534 climlec3 36265 rrncmslem 38543 cvgdvgrat 45083 radcnvrat 45084 climreeq 46389 climreclf 46438 fnlimfvre 46448 climliminflimsupd 46575 climliminflimsup 46582 climxlim 46600 sge0isum 47201 |
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