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Mirrors > Home > MPE Home > Th. List > seqp1 | Structured version Visualization version GIF version |
Description: Value of the sequence builder function at a successor. (Contributed by Mario Carneiro, 24-Jun-2013.) (Revised by Mario Carneiro, 15-Sep-2013.) |
Ref | Expression |
---|---|
seqp1 | ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (seq𝑀( + , 𝐹)‘(𝑁 + 1)) = ((seq𝑀( + , 𝐹)‘𝑁) + (𝐹‘(𝑁 + 1)))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eluzel2 12587 | . . 3 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑀 ∈ ℤ) | |
2 | fveq2 6774 | . . . . . 6 ⊢ (𝑀 = if(𝑀 ∈ ℤ, 𝑀, 0) → (ℤ≥‘𝑀) = (ℤ≥‘if(𝑀 ∈ ℤ, 𝑀, 0))) | |
3 | 2 | eleq2d 2824 | . . . . 5 ⊢ (𝑀 = if(𝑀 ∈ ℤ, 𝑀, 0) → (𝑁 ∈ (ℤ≥‘𝑀) ↔ 𝑁 ∈ (ℤ≥‘if(𝑀 ∈ ℤ, 𝑀, 0)))) |
4 | seqeq1 13724 | . . . . . . 7 ⊢ (𝑀 = if(𝑀 ∈ ℤ, 𝑀, 0) → seq𝑀( + , 𝐹) = seqif(𝑀 ∈ ℤ, 𝑀, 0)( + , 𝐹)) | |
5 | 4 | fveq1d 6776 | . . . . . 6 ⊢ (𝑀 = if(𝑀 ∈ ℤ, 𝑀, 0) → (seq𝑀( + , 𝐹)‘(𝑁 + 1)) = (seqif(𝑀 ∈ ℤ, 𝑀, 0)( + , 𝐹)‘(𝑁 + 1))) |
6 | 4 | fveq1d 6776 | . . . . . . 7 ⊢ (𝑀 = if(𝑀 ∈ ℤ, 𝑀, 0) → (seq𝑀( + , 𝐹)‘𝑁) = (seqif(𝑀 ∈ ℤ, 𝑀, 0)( + , 𝐹)‘𝑁)) |
7 | 6 | oveq2d 7291 | . . . . . 6 ⊢ (𝑀 = if(𝑀 ∈ ℤ, 𝑀, 0) → (𝑁(𝑧 ∈ V, 𝑤 ∈ V ↦ (𝑤 + (𝐹‘(𝑧 + 1))))(seq𝑀( + , 𝐹)‘𝑁)) = (𝑁(𝑧 ∈ V, 𝑤 ∈ V ↦ (𝑤 + (𝐹‘(𝑧 + 1))))(seqif(𝑀 ∈ ℤ, 𝑀, 0)( + , 𝐹)‘𝑁))) |
8 | 5, 7 | eqeq12d 2754 | . . . . 5 ⊢ (𝑀 = if(𝑀 ∈ ℤ, 𝑀, 0) → ((seq𝑀( + , 𝐹)‘(𝑁 + 1)) = (𝑁(𝑧 ∈ V, 𝑤 ∈ V ↦ (𝑤 + (𝐹‘(𝑧 + 1))))(seq𝑀( + , 𝐹)‘𝑁)) ↔ (seqif(𝑀 ∈ ℤ, 𝑀, 0)( + , 𝐹)‘(𝑁 + 1)) = (𝑁(𝑧 ∈ V, 𝑤 ∈ V ↦ (𝑤 + (𝐹‘(𝑧 + 1))))(seqif(𝑀 ∈ ℤ, 𝑀, 0)( + , 𝐹)‘𝑁)))) |
9 | 3, 8 | imbi12d 345 | . . . 4 ⊢ (𝑀 = if(𝑀 ∈ ℤ, 𝑀, 0) → ((𝑁 ∈ (ℤ≥‘𝑀) → (seq𝑀( + , 𝐹)‘(𝑁 + 1)) = (𝑁(𝑧 ∈ V, 𝑤 ∈ V ↦ (𝑤 + (𝐹‘(𝑧 + 1))))(seq𝑀( + , 𝐹)‘𝑁))) ↔ (𝑁 ∈ (ℤ≥‘if(𝑀 ∈ ℤ, 𝑀, 0)) → (seqif(𝑀 ∈ ℤ, 𝑀, 0)( + , 𝐹)‘(𝑁 + 1)) = (𝑁(𝑧 ∈ V, 𝑤 ∈ V ↦ (𝑤 + (𝐹‘(𝑧 + 1))))(seqif(𝑀 ∈ ℤ, 𝑀, 0)( + , 𝐹)‘𝑁))))) |
10 | 0z 12330 | . . . . . 6 ⊢ 0 ∈ ℤ | |
11 | 10 | elimel 4528 | . . . . 5 ⊢ if(𝑀 ∈ ℤ, 𝑀, 0) ∈ ℤ |
12 | eqid 2738 | . . . . 5 ⊢ (rec((𝑥 ∈ V ↦ (𝑥 + 1)), if(𝑀 ∈ ℤ, 𝑀, 0)) ↾ ω) = (rec((𝑥 ∈ V ↦ (𝑥 + 1)), if(𝑀 ∈ ℤ, 𝑀, 0)) ↾ ω) | |
13 | fvex 6787 | . . . . 5 ⊢ (𝐹‘if(𝑀 ∈ ℤ, 𝑀, 0)) ∈ V | |
14 | eqid 2738 | . . . . 5 ⊢ (rec((𝑥 ∈ V, 𝑦 ∈ V ↦ 〈(𝑥 + 1), (𝑥(𝑧 ∈ V, 𝑤 ∈ V ↦ (𝑤 + (𝐹‘(𝑧 + 1))))𝑦)〉), 〈if(𝑀 ∈ ℤ, 𝑀, 0), (𝐹‘if(𝑀 ∈ ℤ, 𝑀, 0))〉) ↾ ω) = (rec((𝑥 ∈ V, 𝑦 ∈ V ↦ 〈(𝑥 + 1), (𝑥(𝑧 ∈ V, 𝑤 ∈ V ↦ (𝑤 + (𝐹‘(𝑧 + 1))))𝑦)〉), 〈if(𝑀 ∈ ℤ, 𝑀, 0), (𝐹‘if(𝑀 ∈ ℤ, 𝑀, 0))〉) ↾ ω) | |
15 | 14 | seqval 13732 | . . . . 5 ⊢ seqif(𝑀 ∈ ℤ, 𝑀, 0)( + , 𝐹) = ran (rec((𝑥 ∈ V, 𝑦 ∈ V ↦ 〈(𝑥 + 1), (𝑥(𝑧 ∈ V, 𝑤 ∈ V ↦ (𝑤 + (𝐹‘(𝑧 + 1))))𝑦)〉), 〈if(𝑀 ∈ ℤ, 𝑀, 0), (𝐹‘if(𝑀 ∈ ℤ, 𝑀, 0))〉) ↾ ω) |
16 | 11, 12, 13, 14, 15 | uzrdgsuci 13680 | . . . 4 ⊢ (𝑁 ∈ (ℤ≥‘if(𝑀 ∈ ℤ, 𝑀, 0)) → (seqif(𝑀 ∈ ℤ, 𝑀, 0)( + , 𝐹)‘(𝑁 + 1)) = (𝑁(𝑧 ∈ V, 𝑤 ∈ V ↦ (𝑤 + (𝐹‘(𝑧 + 1))))(seqif(𝑀 ∈ ℤ, 𝑀, 0)( + , 𝐹)‘𝑁))) |
17 | 9, 16 | dedth 4517 | . . 3 ⊢ (𝑀 ∈ ℤ → (𝑁 ∈ (ℤ≥‘𝑀) → (seq𝑀( + , 𝐹)‘(𝑁 + 1)) = (𝑁(𝑧 ∈ V, 𝑤 ∈ V ↦ (𝑤 + (𝐹‘(𝑧 + 1))))(seq𝑀( + , 𝐹)‘𝑁)))) |
18 | 1, 17 | mpcom 38 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (seq𝑀( + , 𝐹)‘(𝑁 + 1)) = (𝑁(𝑧 ∈ V, 𝑤 ∈ V ↦ (𝑤 + (𝐹‘(𝑧 + 1))))(seq𝑀( + , 𝐹)‘𝑁))) |
19 | elex 3450 | . . 3 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑁 ∈ V) | |
20 | fvex 6787 | . . 3 ⊢ (seq𝑀( + , 𝐹)‘𝑁) ∈ V | |
21 | fvoveq1 7298 | . . . . 5 ⊢ (𝑧 = 𝑁 → (𝐹‘(𝑧 + 1)) = (𝐹‘(𝑁 + 1))) | |
22 | 21 | oveq2d 7291 | . . . 4 ⊢ (𝑧 = 𝑁 → (𝑤 + (𝐹‘(𝑧 + 1))) = (𝑤 + (𝐹‘(𝑁 + 1)))) |
23 | oveq1 7282 | . . . 4 ⊢ (𝑤 = (seq𝑀( + , 𝐹)‘𝑁) → (𝑤 + (𝐹‘(𝑁 + 1))) = ((seq𝑀( + , 𝐹)‘𝑁) + (𝐹‘(𝑁 + 1)))) | |
24 | eqid 2738 | . . . 4 ⊢ (𝑧 ∈ V, 𝑤 ∈ V ↦ (𝑤 + (𝐹‘(𝑧 + 1)))) = (𝑧 ∈ V, 𝑤 ∈ V ↦ (𝑤 + (𝐹‘(𝑧 + 1)))) | |
25 | ovex 7308 | . . . 4 ⊢ ((seq𝑀( + , 𝐹)‘𝑁) + (𝐹‘(𝑁 + 1))) ∈ V | |
26 | 22, 23, 24, 25 | ovmpo 7433 | . . 3 ⊢ ((𝑁 ∈ V ∧ (seq𝑀( + , 𝐹)‘𝑁) ∈ V) → (𝑁(𝑧 ∈ V, 𝑤 ∈ V ↦ (𝑤 + (𝐹‘(𝑧 + 1))))(seq𝑀( + , 𝐹)‘𝑁)) = ((seq𝑀( + , 𝐹)‘𝑁) + (𝐹‘(𝑁 + 1)))) |
27 | 19, 20, 26 | sylancl 586 | . 2 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (𝑁(𝑧 ∈ V, 𝑤 ∈ V ↦ (𝑤 + (𝐹‘(𝑧 + 1))))(seq𝑀( + , 𝐹)‘𝑁)) = ((seq𝑀( + , 𝐹)‘𝑁) + (𝐹‘(𝑁 + 1)))) |
28 | 18, 27 | eqtrd 2778 | 1 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → (seq𝑀( + , 𝐹)‘(𝑁 + 1)) = ((seq𝑀( + , 𝐹)‘𝑁) + (𝐹‘(𝑁 + 1)))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1539 ∈ wcel 2106 Vcvv 3432 ifcif 4459 〈cop 4567 ↦ cmpt 5157 ↾ cres 5591 ‘cfv 6433 (class class class)co 7275 ∈ cmpo 7277 ωcom 7712 reccrdg 8240 0cc0 10871 1c1 10872 + caddc 10874 ℤcz 12319 ℤ≥cuz 12582 seqcseq 13721 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 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 2709 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-nn 11974 df-n0 12234 df-z 12320 df-uz 12583 df-seq 13722 |
This theorem is referenced by: seqexw 13737 seqp1d 13738 seqm1 13740 seqcl2 13741 seqfveq2 13745 seqshft2 13749 sermono 13755 seqsplit 13756 seqcaopr3 13758 seqf1olem2a 13761 seqf1olem2 13763 seqid2 13769 seqhomo 13770 ser1const 13779 expp1 13789 facp1 13992 seqcoll 14178 relexpsucnnr 14736 climserle 15374 iseraltlem2 15394 iseraltlem3 15395 climcndslem1 15561 climcndslem2 15562 clim2prod 15600 prodfn0 15606 prodfrec 15607 ntrivcvgfvn0 15611 ruclem7 15945 sadcp1 16162 smupp1 16187 seq1st 16276 algrp1 16279 eulerthlem2 16483 pcmpt 16593 gsumsplit1r 18371 gsumprval 18372 mulgfval 18702 mulgnnp1 18712 ovolunlem1a 24660 voliunlem1 24714 volsup 24720 dvnp1 25089 bposlem5 26436 opsqrlem5 30506 esumfzf 32037 esumpcvgval 32046 sseqp1 32362 rrvsum 32421 gsumnunsn 32520 iprodefisumlem 33706 faclimlem1 33709 heiborlem4 35972 heiborlem6 35974 fmul01 43121 fmuldfeqlem1 43123 stoweidlem3 43544 wallispilem4 43609 wallispi2lem1 43612 wallispi2lem2 43613 |
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