Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > sumrbdc | GIF version |
Description: Rebase the starting point of a sum. (Contributed by Mario Carneiro, 14-Jul-2013.) (Revised by Jim Kingdon, 9-Apr-2023.) |
Ref | Expression |
---|---|
isummo.1 | ⊢ 𝐹 = (𝑘 ∈ ℤ ↦ if(𝑘 ∈ 𝐴, 𝐵, 0)) |
isummo.2 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ) |
isumrb.4 | ⊢ (𝜑 → 𝑀 ∈ ℤ) |
isumrb.5 | ⊢ (𝜑 → 𝑁 ∈ ℤ) |
isumrb.6 | ⊢ (𝜑 → 𝐴 ⊆ (ℤ≥‘𝑀)) |
isumrb.7 | ⊢ (𝜑 → 𝐴 ⊆ (ℤ≥‘𝑁)) |
isumrb.mdc | ⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → DECID 𝑘 ∈ 𝐴) |
isumrb.ndc | ⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑁)) → DECID 𝑘 ∈ 𝐴) |
Ref | Expression |
---|---|
sumrbdc | ⊢ (𝜑 → (seq𝑀( + , 𝐹) ⇝ 𝐶 ↔ seq𝑁( + , 𝐹) ⇝ 𝐶)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | isumrb.5 | . . . . 5 ⊢ (𝜑 → 𝑁 ∈ ℤ) | |
2 | 1 | adantr 274 | . . . 4 ⊢ ((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → 𝑁 ∈ ℤ) |
3 | seqex 10350 | . . . 4 ⊢ seq𝑀( + , 𝐹) ∈ V | |
4 | climres 11204 | . . . 4 ⊢ ((𝑁 ∈ ℤ ∧ seq𝑀( + , 𝐹) ∈ V) → ((seq𝑀( + , 𝐹) ↾ (ℤ≥‘𝑁)) ⇝ 𝐶 ↔ seq𝑀( + , 𝐹) ⇝ 𝐶)) | |
5 | 2, 3, 4 | sylancl 410 | . . 3 ⊢ ((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → ((seq𝑀( + , 𝐹) ↾ (ℤ≥‘𝑁)) ⇝ 𝐶 ↔ seq𝑀( + , 𝐹) ⇝ 𝐶)) |
6 | isumrb.7 | . . . . 5 ⊢ (𝜑 → 𝐴 ⊆ (ℤ≥‘𝑁)) | |
7 | isummo.1 | . . . . . 6 ⊢ 𝐹 = (𝑘 ∈ ℤ ↦ if(𝑘 ∈ 𝐴, 𝐵, 0)) | |
8 | isummo.2 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ) | |
9 | 8 | adantlr 469 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ) |
10 | isumrb.mdc | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → DECID 𝑘 ∈ 𝐴) | |
11 | 10 | adantlr 469 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → DECID 𝑘 ∈ 𝐴) |
12 | simpr 109 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → 𝑁 ∈ (ℤ≥‘𝑀)) | |
13 | 7, 9, 11, 12 | sumrbdclem 11278 | . . . . 5 ⊢ (((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) ∧ 𝐴 ⊆ (ℤ≥‘𝑁)) → (seq𝑀( + , 𝐹) ↾ (ℤ≥‘𝑁)) = seq𝑁( + , 𝐹)) |
14 | 6, 13 | mpidan 420 | . . . 4 ⊢ ((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → (seq𝑀( + , 𝐹) ↾ (ℤ≥‘𝑁)) = seq𝑁( + , 𝐹)) |
15 | 14 | breq1d 3976 | . . 3 ⊢ ((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → ((seq𝑀( + , 𝐹) ↾ (ℤ≥‘𝑁)) ⇝ 𝐶 ↔ seq𝑁( + , 𝐹) ⇝ 𝐶)) |
16 | 5, 15 | bitr3d 189 | . 2 ⊢ ((𝜑 ∧ 𝑁 ∈ (ℤ≥‘𝑀)) → (seq𝑀( + , 𝐹) ⇝ 𝐶 ↔ seq𝑁( + , 𝐹) ⇝ 𝐶)) |
17 | isumrb.6 | . . . . 5 ⊢ (𝜑 → 𝐴 ⊆ (ℤ≥‘𝑀)) | |
18 | 8 | adantlr 469 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑀 ∈ (ℤ≥‘𝑁)) ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ) |
19 | isumrb.ndc | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑁)) → DECID 𝑘 ∈ 𝐴) | |
20 | 19 | adantlr 469 | . . . . . 6 ⊢ (((𝜑 ∧ 𝑀 ∈ (ℤ≥‘𝑁)) ∧ 𝑘 ∈ (ℤ≥‘𝑁)) → DECID 𝑘 ∈ 𝐴) |
21 | simpr 109 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑀 ∈ (ℤ≥‘𝑁)) → 𝑀 ∈ (ℤ≥‘𝑁)) | |
22 | 7, 18, 20, 21 | sumrbdclem 11278 | . . . . 5 ⊢ (((𝜑 ∧ 𝑀 ∈ (ℤ≥‘𝑁)) ∧ 𝐴 ⊆ (ℤ≥‘𝑀)) → (seq𝑁( + , 𝐹) ↾ (ℤ≥‘𝑀)) = seq𝑀( + , 𝐹)) |
23 | 17, 22 | mpidan 420 | . . . 4 ⊢ ((𝜑 ∧ 𝑀 ∈ (ℤ≥‘𝑁)) → (seq𝑁( + , 𝐹) ↾ (ℤ≥‘𝑀)) = seq𝑀( + , 𝐹)) |
24 | 23 | breq1d 3976 | . . 3 ⊢ ((𝜑 ∧ 𝑀 ∈ (ℤ≥‘𝑁)) → ((seq𝑁( + , 𝐹) ↾ (ℤ≥‘𝑀)) ⇝ 𝐶 ↔ seq𝑀( + , 𝐹) ⇝ 𝐶)) |
25 | isumrb.4 | . . . . 5 ⊢ (𝜑 → 𝑀 ∈ ℤ) | |
26 | 25 | adantr 274 | . . . 4 ⊢ ((𝜑 ∧ 𝑀 ∈ (ℤ≥‘𝑁)) → 𝑀 ∈ ℤ) |
27 | seqex 10350 | . . . 4 ⊢ seq𝑁( + , 𝐹) ∈ V | |
28 | climres 11204 | . . . 4 ⊢ ((𝑀 ∈ ℤ ∧ seq𝑁( + , 𝐹) ∈ V) → ((seq𝑁( + , 𝐹) ↾ (ℤ≥‘𝑀)) ⇝ 𝐶 ↔ seq𝑁( + , 𝐹) ⇝ 𝐶)) | |
29 | 26, 27, 28 | sylancl 410 | . . 3 ⊢ ((𝜑 ∧ 𝑀 ∈ (ℤ≥‘𝑁)) → ((seq𝑁( + , 𝐹) ↾ (ℤ≥‘𝑀)) ⇝ 𝐶 ↔ seq𝑁( + , 𝐹) ⇝ 𝐶)) |
30 | 24, 29 | bitr3d 189 | . 2 ⊢ ((𝜑 ∧ 𝑀 ∈ (ℤ≥‘𝑁)) → (seq𝑀( + , 𝐹) ⇝ 𝐶 ↔ seq𝑁( + , 𝐹) ⇝ 𝐶)) |
31 | uztric 9461 | . . 3 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑁 ∈ (ℤ≥‘𝑀) ∨ 𝑀 ∈ (ℤ≥‘𝑁))) | |
32 | 25, 1, 31 | syl2anc 409 | . 2 ⊢ (𝜑 → (𝑁 ∈ (ℤ≥‘𝑀) ∨ 𝑀 ∈ (ℤ≥‘𝑁))) |
33 | 16, 30, 32 | mpjaodan 788 | 1 ⊢ (𝜑 → (seq𝑀( + , 𝐹) ⇝ 𝐶 ↔ seq𝑁( + , 𝐹) ⇝ 𝐶)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ↔ wb 104 ∨ wo 698 DECID wdc 820 = wceq 1335 ∈ wcel 2128 Vcvv 2712 ⊆ wss 3102 ifcif 3505 class class class wbr 3966 ↦ cmpt 4026 ↾ cres 4589 ‘cfv 5171 ℂcc 7731 0cc0 7733 + caddc 7736 ℤcz 9168 ℤ≥cuz 9440 seqcseq 10348 ⇝ cli 11179 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1427 ax-7 1428 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-8 1484 ax-10 1485 ax-11 1486 ax-i12 1487 ax-bndl 1489 ax-4 1490 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-13 2130 ax-14 2131 ax-ext 2139 ax-coll 4080 ax-sep 4083 ax-nul 4091 ax-pow 4136 ax-pr 4170 ax-un 4394 ax-setind 4497 ax-iinf 4548 ax-cnex 7824 ax-resscn 7825 ax-1cn 7826 ax-1re 7827 ax-icn 7828 ax-addcl 7829 ax-addrcl 7830 ax-mulcl 7831 ax-addcom 7833 ax-addass 7835 ax-distr 7837 ax-i2m1 7838 ax-0lt1 7839 ax-0id 7841 ax-rnegex 7842 ax-cnre 7844 ax-pre-ltirr 7845 ax-pre-ltwlin 7846 ax-pre-lttrn 7847 ax-pre-apti 7848 ax-pre-ltadd 7849 |
This theorem depends on definitions: df-bi 116 df-dc 821 df-3or 964 df-3an 965 df-tru 1338 df-fal 1341 df-nf 1441 df-sb 1743 df-eu 2009 df-mo 2010 df-clab 2144 df-cleq 2150 df-clel 2153 df-nfc 2288 df-ne 2328 df-nel 2423 df-ral 2440 df-rex 2441 df-reu 2442 df-rab 2444 df-v 2714 df-sbc 2938 df-csb 3032 df-dif 3104 df-un 3106 df-in 3108 df-ss 3115 df-nul 3395 df-if 3506 df-pw 3545 df-sn 3566 df-pr 3567 df-op 3569 df-uni 3774 df-int 3809 df-iun 3852 df-br 3967 df-opab 4027 df-mpt 4028 df-tr 4064 df-id 4254 df-iord 4327 df-on 4329 df-ilim 4330 df-suc 4332 df-iom 4551 df-xp 4593 df-rel 4594 df-cnv 4595 df-co 4596 df-dm 4597 df-rn 4598 df-res 4599 df-ima 4600 df-iota 5136 df-fun 5173 df-fn 5174 df-f 5175 df-f1 5176 df-fo 5177 df-f1o 5178 df-fv 5179 df-riota 5781 df-ov 5828 df-oprab 5829 df-mpo 5830 df-1st 6089 df-2nd 6090 df-recs 6253 df-frec 6339 df-pnf 7915 df-mnf 7916 df-xr 7917 df-ltxr 7918 df-le 7919 df-sub 8049 df-neg 8050 df-inn 8835 df-n0 9092 df-z 9169 df-uz 9441 df-fz 9914 df-fzo 10046 df-seqfrec 10349 df-clim 11180 |
This theorem is referenced by: summodc 11284 zsumdc 11285 |
Copyright terms: Public domain | W3C validator |