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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 2229 | . 2 ⊢ (ℤ≥‘𝑀) = (ℤ≥‘𝑀) | |
| 2 | simpr 110 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝑀 ∈ ℤ) → 𝑀 ∈ ℤ) | |
| 3 | climconst2.2 | . . 3 ⊢ 𝑍 ∈ V | |
| 4 | snexg 4272 | . . . 4 ⊢ (𝐴 ∈ ℂ → {𝐴} ∈ V) | |
| 5 | 4 | adantr 276 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝑀 ∈ ℤ) → {𝐴} ∈ V) |
| 6 | xpexg 4838 | . . 3 ⊢ ((𝑍 ∈ V ∧ {𝐴} ∈ V) → (𝑍 × {𝐴}) ∈ V) | |
| 7 | 3, 5, 6 | sylancr 414 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝑀 ∈ ℤ) → (𝑍 × {𝐴}) ∈ V) |
| 8 | simpl 109 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝑀 ∈ ℤ) → 𝐴 ∈ ℂ) | |
| 9 | climconst2.1 | . . . 4 ⊢ (ℤ≥‘𝑀) ⊆ 𝑍 | |
| 10 | 9 | sseli 3221 | . . 3 ⊢ (𝑘 ∈ (ℤ≥‘𝑀) → 𝑘 ∈ 𝑍) |
| 11 | fvconst2g 5863 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝑘 ∈ 𝑍) → ((𝑍 × {𝐴})‘𝑘) = 𝐴) | |
| 12 | 8, 10, 11 | syl2an 289 | . 2 ⊢ (((𝐴 ∈ ℂ ∧ 𝑀 ∈ ℤ) ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → ((𝑍 × {𝐴})‘𝑘) = 𝐴) |
| 13 | 1, 2, 7, 8, 12 | climconst 11844 | 1 ⊢ ((𝐴 ∈ ℂ ∧ 𝑀 ∈ ℤ) → (𝑍 × {𝐴}) ⇝ 𝐴) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1395 ∈ wcel 2200 Vcvv 2800 ⊆ wss 3198 {csn 3667 class class class wbr 4086 × cxp 4721 ‘cfv 5324 ℂcc 8023 ℤcz 9472 ℤ≥cuz 9748 ⇝ cli 11832 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4202 ax-sep 4205 ax-nul 4213 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-iinf 4684 ax-cnex 8116 ax-resscn 8117 ax-1cn 8118 ax-1re 8119 ax-icn 8120 ax-addcl 8121 ax-addrcl 8122 ax-mulcl 8123 ax-mulrcl 8124 ax-addcom 8125 ax-mulcom 8126 ax-addass 8127 ax-mulass 8128 ax-distr 8129 ax-i2m1 8130 ax-0lt1 8131 ax-1rid 8132 ax-0id 8133 ax-rnegex 8134 ax-precex 8135 ax-cnre 8136 ax-pre-ltirr 8137 ax-pre-ltwlin 8138 ax-pre-lttrn 8139 ax-pre-apti 8140 ax-pre-ltadd 8141 ax-pre-mulgt0 8142 ax-pre-mulext 8143 |
| This theorem depends on definitions: df-bi 117 df-dc 840 df-3or 1003 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-reu 2515 df-rmo 2516 df-rab 2517 df-v 2802 df-sbc 3030 df-csb 3126 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-nul 3493 df-if 3604 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-int 3927 df-iun 3970 df-br 4087 df-opab 4149 df-mpt 4150 df-tr 4186 df-id 4388 df-po 4391 df-iso 4392 df-iord 4461 df-on 4463 df-ilim 4464 df-suc 4466 df-iom 4687 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-rn 4734 df-res 4735 df-ima 4736 df-iota 5284 df-fun 5326 df-fn 5327 df-f 5328 df-f1 5329 df-fo 5330 df-f1o 5331 df-fv 5332 df-riota 5966 df-ov 6016 df-oprab 6017 df-mpo 6018 df-1st 6298 df-2nd 6299 df-recs 6466 df-frec 6552 df-pnf 8209 df-mnf 8210 df-xr 8211 df-ltxr 8212 df-le 8213 df-sub 8345 df-neg 8346 df-reap 8748 df-ap 8755 df-div 8846 df-inn 9137 df-2 9195 df-n0 9396 df-z 9473 df-uz 9749 df-rp 9882 df-seqfrec 10703 df-exp 10794 df-cj 11396 df-rsqrt 11552 df-abs 11553 df-clim 11833 |
| This theorem is referenced by: climz 11846 serclim0 11859 climaddc1 11883 climmulc2 11885 climsubc1 11886 climsubc2 11887 climlec2 11895 prodfclim1 12098 |
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