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| Mirrors > Home > ILE Home > Th. List > prodrbdclem2 | GIF version | ||
| Description: Lemma for prodrbdc 12324. (Contributed by Scott Fenton, 4-Dec-2017.) |
| Ref | Expression |
|---|---|
| prodmo.1 | ⊢ 𝐹 = (𝑘 ∈ ℤ ↦ if(𝑘 ∈ 𝐴, 𝐵, 1)) |
| prodmo.2 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ) |
| prodrb.4 | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
| prodrb.5 | ⊢ (𝜑 → 𝑁 ∈ ℤ) |
| prodrb.6 | ⊢ (𝜑 → 𝐴 ⊆ (ℤ≥‘𝑀)) |
| prodrb.7 | ⊢ (𝜑 → 𝐴 ⊆ (ℤ≥‘𝑁)) |
| prodrbdc.mdc | ⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → DECID 𝑘 ∈ 𝐴) |
| prodrbdc.ndc | ⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑁)) → DECID 𝑘 ∈ 𝐴) |
| Ref | Expression |
|---|---|
| prodrbdclem2 | ⊢ ((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → (seq𝑀( · , 𝐹) ⇝ 𝐶 ↔ seq𝑁( · , 𝐹) ⇝ 𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | prodrb.5 | . . . 4 ⊢ (𝜑 → 𝑁 ∈ ℤ) | |
| 2 | 1 | adantr 276 | . . 3 ⊢ ((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → 𝑁 ∈ ℤ) |
| 3 | seqex 10869 | . . 3 ⊢ seq𝑀( · , 𝐹) ∈ V | |
| 4 | climres 12052 | . . 3 ⊢ ((𝑁 ∈ ℤ ∧ seq𝑀( · , 𝐹) ∈ V) → ((seq𝑀( · , 𝐹) ↾ (ℤ≥‘𝑁)) ⇝ 𝐶 ↔ seq𝑀( · , 𝐹) ⇝ 𝐶)) | |
| 5 | 2, 3, 4 | sylancl 417 | . 2 ⊢ ((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → ((seq𝑀( · , 𝐹) ↾ (ℤ≥‘𝑁)) ⇝ 𝐶 ↔ seq𝑀( · , 𝐹) ⇝ 𝐶)) |
| 6 | prodrb.7 | . . . 4 ⊢ (𝜑 → 𝐴 ⊆ (ℤ≥‘𝑁)) | |
| 7 | prodmo.1 | . . . . 5 ⊢ 𝐹 = (𝑘 ∈ ℤ ↦ if(𝑘 ∈ 𝐴, 𝐵, 1)) | |
| 8 | prodmo.2 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ) | |
| 9 | 8 | adantlr 481 | . . . . 5 ⊢ (((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ) |
| 10 | prodrbdc.mdc | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → DECID 𝑘 ∈ 𝐴) | |
| 11 | 10 | adantlr 481 | . . . . 5 ⊢ (((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → DECID 𝑘 ∈ 𝐴) |
| 12 | simpr 110 | . . . . 5 ⊢ ((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → 𝑁 ∈ (ℤ≥‘𝑀)) | |
| 13 | 7, 9, 11, 12 | prodrbdclem 12321 | . . . 4 ⊢ (((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) ∧ 𝐴 ⊆ (ℤ≥‘𝑁)) → (seq𝑀( · , 𝐹) ↾ (ℤ≥‘𝑁)) = seq𝑁( · , 𝐹)) |
| 14 | 6, 13 | mpidan 427 | . . 3 ⊢ ((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → (seq𝑀( · , 𝐹) ↾ (ℤ≥‘𝑁)) = seq𝑁( · , 𝐹)) |
| 15 | 14 | breq1d 4138 | . 2 ⊢ ((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → ((seq𝑀( · , 𝐹) ↾ (ℤ≥‘𝑁)) ⇝ 𝐶 ↔ seq𝑁( · , 𝐹) ⇝ 𝐶)) |
| 16 | 5, 15 | bitr3d 190 | 1 ⊢ ((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → (seq𝑀( · , 𝐹) ⇝ 𝐶 ↔ seq𝑁( · , 𝐹) ⇝ 𝐶)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ↔ wb 105 DECID wdc 846 = wceq 1402 ∈ wcel 2209 Vcvv 2821 ⊆ wss 3220 ifcif 3638 class class class wbr 4128 ↦ cmpt 4190 ↾ cres 4774 ‘cfv 5375 ℂcc 8171 1c1 8174 · cmul 8178 ℤcz 9627 ℤ≥cuz 9904 seqcseq 10867 ⇝ cli 12027 |
| 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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4244 ax-sep 4247 ax-nul 4257 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-iinf 4733 ax-cnex 8264 ax-resscn 8265 ax-1cn 8266 ax-1re 8267 ax-icn 8268 ax-addcl 8269 ax-addrcl 8270 ax-mulcl 8271 ax-addcom 8273 ax-mulcom 8274 ax-addass 8275 ax-mulass 8276 ax-distr 8277 ax-i2m1 8278 ax-0lt1 8279 ax-1rid 8280 ax-0id 8281 ax-rnegex 8282 ax-cnre 8284 ax-pre-ltirr 8285 ax-pre-ltwlin 8286 ax-pre-lttrn 8287 ax-pre-apti 8288 ax-pre-ltadd 8289 |
| This theorem depends on definitions: df-bi 117 df-dc 847 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3639 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-iun 4012 df-br 4129 df-opab 4191 df-mpt 4192 df-tr 4228 df-id 4436 df-iord 4509 df-on 4511 df-ilim 4512 df-suc 4514 df-iom 4736 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-f 5379 df-f1 5380 df-fo 5381 df-f1o 5382 df-fv 5383 df-riota 6032 df-ov 6082 df-oprab 6083 df-mpo 6084 df-1st 6368 df-2nd 6369 df-recs 6570 df-frec 6656 df-pnf 8356 df-mnf 8357 df-xr 8358 df-ltxr 8359 df-le 8360 df-sub 8493 df-neg 8494 df-inn 9288 df-n0 9547 df-z 9628 df-uz 9905 df-fz 10395 df-fzo 10533 df-seqfrec 10868 df-clim 12028 |
| This theorem is referenced by: prodrbdc 12324 |
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