![]() |
Mathbox for Glauco Siliprandi |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > Mathboxes > climreclf | Structured version Visualization version GIF version |
Description: The limit of a convergent real sequence is real. (Contributed by Glauco Siliprandi, 26-Jun-2021.) |
Ref | Expression |
---|---|
climreclf.k | ⊢ Ⅎ𝑘𝜑 |
climreclf.f | ⊢ Ⅎ𝑘𝐹 |
climreclf.z | ⊢ 𝑍 = (ℤ≥‘𝑀) |
climreclf.m | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
climreclf.a | ⊢ (𝜑 → 𝐹 ⇝ 𝐴) |
climreclf.r | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℝ) |
Ref | Expression |
---|---|
climreclf | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | climreclf.z | . 2 ⊢ 𝑍 = (ℤ≥‘𝑀) | |
2 | climreclf.m | . 2 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
3 | climreclf.a | . 2 ⊢ (𝜑 → 𝐹 ⇝ 𝐴) | |
4 | climreclf.k | . . . . 5 ⊢ Ⅎ𝑘𝜑 | |
5 | nfv 1917 | . . . . 5 ⊢ Ⅎ𝑘 𝑗 ∈ 𝑍 | |
6 | 4, 5 | nfan 1902 | . . . 4 ⊢ Ⅎ𝑘(𝜑 ∧ 𝑗 ∈ 𝑍) |
7 | climreclf.f | . . . . . 6 ⊢ Ⅎ𝑘𝐹 | |
8 | nfcv 2902 | . . . . . 6 ⊢ Ⅎ𝑘𝑗 | |
9 | 7, 8 | nffv 6887 | . . . . 5 ⊢ Ⅎ𝑘(𝐹‘𝑗) |
10 | nfcv 2902 | . . . . 5 ⊢ Ⅎ𝑘ℝ | |
11 | 9, 10 | nfel 2916 | . . . 4 ⊢ Ⅎ𝑘(𝐹‘𝑗) ∈ ℝ |
12 | 6, 11 | nfim 1899 | . . 3 ⊢ Ⅎ𝑘((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐹‘𝑗) ∈ ℝ) |
13 | eleq1w 2815 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝑘 ∈ 𝑍 ↔ 𝑗 ∈ 𝑍)) | |
14 | 13 | anbi2d 629 | . . . 4 ⊢ (𝑘 = 𝑗 → ((𝜑 ∧ 𝑘 ∈ 𝑍) ↔ (𝜑 ∧ 𝑗 ∈ 𝑍))) |
15 | fveq2 6877 | . . . . 5 ⊢ (𝑘 = 𝑗 → (𝐹‘𝑘) = (𝐹‘𝑗)) | |
16 | 15 | eleq1d 2817 | . . . 4 ⊢ (𝑘 = 𝑗 → ((𝐹‘𝑘) ∈ ℝ ↔ (𝐹‘𝑗) ∈ ℝ)) |
17 | 14, 16 | imbi12d 344 | . . 3 ⊢ (𝑘 = 𝑗 → (((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℝ) ↔ ((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐹‘𝑗) ∈ ℝ))) |
18 | climreclf.r | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑍) → (𝐹‘𝑘) ∈ ℝ) | |
19 | 12, 17, 18 | chvarfv 2233 | . 2 ⊢ ((𝜑 ∧ 𝑗 ∈ 𝑍) → (𝐹‘𝑗) ∈ ℝ) |
20 | 1, 2, 3, 19 | climrecl 15508 | 1 ⊢ (𝜑 → 𝐴 ∈ ℝ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1541 Ⅎwnf 1785 ∈ wcel 2106 Ⅎwnfc 2882 class class class wbr 5140 ‘cfv 6531 ℝcr 11090 ℤcz 12539 ℤ≥cuz 12803 ⇝ cli 15409 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2702 ax-rep 5277 ax-sep 5291 ax-nul 5298 ax-pow 5355 ax-pr 5419 ax-un 7707 ax-cnex 11147 ax-resscn 11148 ax-1cn 11149 ax-icn 11150 ax-addcl 11151 ax-addrcl 11152 ax-mulcl 11153 ax-mulrcl 11154 ax-mulcom 11155 ax-addass 11156 ax-mulass 11157 ax-distr 11158 ax-i2m1 11159 ax-1ne0 11160 ax-1rid 11161 ax-rnegex 11162 ax-rrecex 11163 ax-cnre 11164 ax-pre-lttri 11165 ax-pre-lttrn 11166 ax-pre-ltadd 11167 ax-pre-mulgt0 11168 ax-pre-sup 11169 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rmo 3375 df-reu 3376 df-rab 3432 df-v 3474 df-sbc 3773 df-csb 3889 df-dif 3946 df-un 3948 df-in 3950 df-ss 3960 df-pss 3962 df-nul 4318 df-if 4522 df-pw 4597 df-sn 4622 df-pr 4624 df-op 4628 df-uni 4901 df-iun 4991 df-br 5141 df-opab 5203 df-mpt 5224 df-tr 5258 df-id 5566 df-eprel 5572 df-po 5580 df-so 5581 df-fr 5623 df-we 5625 df-xp 5674 df-rel 5675 df-cnv 5676 df-co 5677 df-dm 5678 df-rn 5679 df-res 5680 df-ima 5681 df-pred 6288 df-ord 6355 df-on 6356 df-lim 6357 df-suc 6358 df-iota 6483 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-riota 7348 df-ov 7395 df-oprab 7396 df-mpo 7397 df-om 7838 df-2nd 7957 df-frecs 8247 df-wrecs 8278 df-recs 8352 df-rdg 8391 df-er 8685 df-pm 8805 df-en 8922 df-dom 8923 df-sdom 8924 df-sup 9418 df-inf 9419 df-pnf 11231 df-mnf 11232 df-xr 11233 df-ltxr 11234 df-le 11235 df-sub 11427 df-neg 11428 df-div 11853 df-nn 12194 df-2 12256 df-3 12257 df-n0 12454 df-z 12540 df-uz 12804 df-rp 12956 df-fl 13738 df-seq 13948 df-exp 14009 df-cj 15027 df-re 15028 df-im 15029 df-sqrt 15163 df-abs 15164 df-clim 15413 df-rlim 15414 |
This theorem is referenced by: climleltrp 44153 climreclmpt 44161 |
Copyright terms: Public domain | W3C validator |