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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 12516 | . . 3 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑀 ∈ ℤ) | |
2 | fveq2 6756 | . . . . . 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 13652 | . . . . . . 7 ⊢ (𝑀 = if(𝑀 ∈ ℤ, 𝑀, 0) → seq𝑀( + , 𝐹) = seqif(𝑀 ∈ ℤ, 𝑀, 0)( + , 𝐹)) | |
5 | 4 | fveq1d 6758 | . . . . . 6 ⊢ (𝑀 = if(𝑀 ∈ ℤ, 𝑀, 0) → (seq𝑀( + , 𝐹)‘(𝑁 + 1)) = (seqif(𝑀 ∈ ℤ, 𝑀, 0)( + , 𝐹)‘(𝑁 + 1))) |
6 | 4 | fveq1d 6758 | . . . . . . 7 ⊢ (𝑀 = if(𝑀 ∈ ℤ, 𝑀, 0) → (seq𝑀( + , 𝐹)‘𝑁) = (seqif(𝑀 ∈ ℤ, 𝑀, 0)( + , 𝐹)‘𝑁)) |
7 | 6 | oveq2d 7271 | . . . . . 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 344 | . . . 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 12260 | . . . . . 6 ⊢ 0 ∈ ℤ | |
11 | 10 | elimel 4525 | . . . . 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 6769 | . . . . 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 13660 | . . . . 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 13608 | . . . 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 4514 | . . 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 3440 | . . 3 ⊢ (𝑁 ∈ (ℤ≥‘𝑀) → 𝑁 ∈ V) | |
20 | fvex 6769 | . . 3 ⊢ (seq𝑀( + , 𝐹)‘𝑁) ∈ V | |
21 | fvoveq1 7278 | . . . . 5 ⊢ (𝑧 = 𝑁 → (𝐹‘(𝑧 + 1)) = (𝐹‘(𝑁 + 1))) | |
22 | 21 | oveq2d 7271 | . . . 4 ⊢ (𝑧 = 𝑁 → (𝑤 + (𝐹‘(𝑧 + 1))) = (𝑤 + (𝐹‘(𝑁 + 1)))) |
23 | oveq1 7262 | . . . 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 7288 | . . . 4 ⊢ ((seq𝑀( + , 𝐹)‘𝑁) + (𝐹‘(𝑁 + 1))) ∈ V | |
26 | 22, 23, 24, 25 | ovmpo 7411 | . . 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 585 | . 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 2108 Vcvv 3422 ifcif 4456 〈cop 4564 ↦ cmpt 5153 ↾ cres 5582 ‘cfv 6418 (class class class)co 7255 ∈ cmpo 7257 ωcom 7687 reccrdg 8211 0cc0 10802 1c1 10803 + caddc 10805 ℤcz 12249 ℤ≥cuz 12511 seqcseq 13649 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-nn 11904 df-n0 12164 df-z 12250 df-uz 12512 df-seq 13650 |
This theorem is referenced by: seqexw 13665 seqp1d 13666 seqm1 13668 seqcl2 13669 seqfveq2 13673 seqshft2 13677 sermono 13683 seqsplit 13684 seqcaopr3 13686 seqf1olem2a 13689 seqf1olem2 13691 seqid2 13697 seqhomo 13698 ser1const 13707 expp1 13717 facp1 13920 seqcoll 14106 relexpsucnnr 14664 climserle 15302 iseraltlem2 15322 iseraltlem3 15323 climcndslem1 15489 climcndslem2 15490 clim2prod 15528 prodfn0 15534 prodfrec 15535 ntrivcvgfvn0 15539 ruclem7 15873 sadcp1 16090 smupp1 16115 seq1st 16204 algrp1 16207 eulerthlem2 16411 pcmpt 16521 gsumsplit1r 18286 gsumprval 18287 mulgfval 18617 mulgnnp1 18627 ovolunlem1a 24565 voliunlem1 24619 volsup 24625 dvnp1 24994 bposlem5 26341 opsqrlem5 30407 esumfzf 31937 esumpcvgval 31946 sseqp1 32262 rrvsum 32321 gsumnunsn 32420 iprodefisumlem 33612 faclimlem1 33615 heiborlem4 35899 heiborlem6 35901 fmul01 43011 fmuldfeqlem1 43013 stoweidlem3 43434 wallispilem4 43499 wallispi2lem1 43502 wallispi2lem2 43503 |
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