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Mirrors > Home > ILE Home > Th. List > climconst2 | GIF version |
Description: A constant sequence converges to its value. (Contributed by NM, 6-Feb-2008.) (Revised by Mario Carneiro, 31-Jan-2014.) |
Ref | Expression |
---|---|
climconst2.1 | ⊢ (ℤ≥‘𝑀) ⊆ 𝑍 |
climconst2.2 | ⊢ 𝑍 ∈ V |
Ref | Expression |
---|---|
climconst2 | ⊢ ((𝐴 ∈ ℂ ∧ 𝑀 ∈ ℤ) → (𝑍 × {𝐴}) ⇝ 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2113 | . 2 ⊢ (ℤ≥‘𝑀) = (ℤ≥‘𝑀) | |
2 | simpr 109 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝑀 ∈ ℤ) → 𝑀 ∈ ℤ) | |
3 | climconst2.2 | . . 3 ⊢ 𝑍 ∈ V | |
4 | snexg 4066 | . . . 4 ⊢ (𝐴 ∈ ℂ → {𝐴} ∈ V) | |
5 | 4 | adantr 272 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝑀 ∈ ℤ) → {𝐴} ∈ V) |
6 | xpexg 4611 | . . 3 ⊢ ((𝑍 ∈ V ∧ {𝐴} ∈ V) → (𝑍 × {𝐴}) ∈ V) | |
7 | 3, 5, 6 | sylancr 408 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝑀 ∈ ℤ) → (𝑍 × {𝐴}) ∈ V) |
8 | simpl 108 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝑀 ∈ ℤ) → 𝐴 ∈ ℂ) | |
9 | climconst2.1 | . . . 4 ⊢ (ℤ≥‘𝑀) ⊆ 𝑍 | |
10 | 9 | sseli 3057 | . . 3 ⊢ (𝑘 ∈ (ℤ≥‘𝑀) → 𝑘 ∈ 𝑍) |
11 | fvconst2g 5586 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝑘 ∈ 𝑍) → ((𝑍 × {𝐴})‘𝑘) = 𝐴) | |
12 | 8, 10, 11 | syl2an 285 | . 2 ⊢ (((𝐴 ∈ ℂ ∧ 𝑀 ∈ ℤ) ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → ((𝑍 × {𝐴})‘𝑘) = 𝐴) |
13 | 1, 2, 7, 8, 12 | climconst 10944 | 1 ⊢ ((𝐴 ∈ ℂ ∧ 𝑀 ∈ ℤ) → (𝑍 × {𝐴}) ⇝ 𝐴) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 = wceq 1312 ∈ wcel 1461 Vcvv 2655 ⊆ wss 3035 {csn 3491 class class class wbr 3893 × cxp 4495 ‘cfv 5079 ℂcc 7538 ℤcz 8951 ℤ≥cuz 9221 ⇝ cli 10932 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 586 ax-in2 587 ax-io 681 ax-5 1404 ax-7 1405 ax-gen 1406 ax-ie1 1450 ax-ie2 1451 ax-8 1463 ax-10 1464 ax-11 1465 ax-i12 1466 ax-bndl 1467 ax-4 1468 ax-13 1472 ax-14 1473 ax-17 1487 ax-i9 1491 ax-ial 1495 ax-i5r 1496 ax-ext 2095 ax-coll 4001 ax-sep 4004 ax-nul 4012 ax-pow 4056 ax-pr 4089 ax-un 4313 ax-setind 4410 ax-iinf 4460 ax-cnex 7629 ax-resscn 7630 ax-1cn 7631 ax-1re 7632 ax-icn 7633 ax-addcl 7634 ax-addrcl 7635 ax-mulcl 7636 ax-mulrcl 7637 ax-addcom 7638 ax-mulcom 7639 ax-addass 7640 ax-mulass 7641 ax-distr 7642 ax-i2m1 7643 ax-0lt1 7644 ax-1rid 7645 ax-0id 7646 ax-rnegex 7647 ax-precex 7648 ax-cnre 7649 ax-pre-ltirr 7650 ax-pre-ltwlin 7651 ax-pre-lttrn 7652 ax-pre-apti 7653 ax-pre-ltadd 7654 ax-pre-mulgt0 7655 ax-pre-mulext 7656 |
This theorem depends on definitions: df-bi 116 df-dc 803 df-3or 944 df-3an 945 df-tru 1315 df-fal 1318 df-nf 1418 df-sb 1717 df-eu 1976 df-mo 1977 df-clab 2100 df-cleq 2106 df-clel 2109 df-nfc 2242 df-ne 2281 df-nel 2376 df-ral 2393 df-rex 2394 df-reu 2395 df-rmo 2396 df-rab 2397 df-v 2657 df-sbc 2877 df-csb 2970 df-dif 3037 df-un 3039 df-in 3041 df-ss 3048 df-nul 3328 df-if 3439 df-pw 3476 df-sn 3497 df-pr 3498 df-op 3500 df-uni 3701 df-int 3736 df-iun 3779 df-br 3894 df-opab 3948 df-mpt 3949 df-tr 3985 df-id 4173 df-po 4176 df-iso 4177 df-iord 4246 df-on 4248 df-ilim 4249 df-suc 4251 df-iom 4463 df-xp 4503 df-rel 4504 df-cnv 4505 df-co 4506 df-dm 4507 df-rn 4508 df-res 4509 df-ima 4510 df-iota 5044 df-fun 5081 df-fn 5082 df-f 5083 df-f1 5084 df-fo 5085 df-f1o 5086 df-fv 5087 df-riota 5682 df-ov 5729 df-oprab 5730 df-mpo 5731 df-1st 5989 df-2nd 5990 df-recs 6153 df-frec 6239 df-pnf 7719 df-mnf 7720 df-xr 7721 df-ltxr 7722 df-le 7723 df-sub 7851 df-neg 7852 df-reap 8248 df-ap 8255 df-div 8339 df-inn 8624 df-2 8682 df-n0 8875 df-z 8952 df-uz 9222 df-rp 9337 df-seqfrec 10105 df-exp 10179 df-cj 10500 df-rsqrt 10655 df-abs 10656 df-clim 10933 |
This theorem is referenced by: climz 10946 serclim0 10959 climaddc1 10983 climmulc2 10985 climsubc1 10986 climsubc2 10987 climlec2 10995 |
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