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| Mirrors > Home > HSE Home > Th. List > opsqrlem5 | Structured version Visualization version GIF version | ||
| Description: Lemma for opsqri . (Contributed by NM, 17-Aug-2006.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| opsqrlem2.1 | ⊢ 𝑇 ∈ HrmOp |
| opsqrlem2.2 | ⊢ 𝑆 = (𝑥 ∈ HrmOp, 𝑦 ∈ HrmOp ↦ (𝑥 +op ((1 / 2) ·op (𝑇 −op (𝑥 ∘ 𝑥))))) |
| opsqrlem2.3 | ⊢ 𝐹 = seq1(𝑆, (ℕ × { 0hop })) |
| Ref | Expression |
|---|---|
| opsqrlem5 | ⊢ (𝑁 ∈ ℕ → (𝐹‘(𝑁 + 1)) = ((𝐹‘𝑁) +op ((1 / 2) ·op (𝑇 −op ((𝐹‘𝑁) ∘ (𝐹‘𝑁)))))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elnnuz 13045 | . . . 4 ⊢ (𝑁 ∈ ℕ ↔ 𝑁 ∈ (ℤ≥‘1)) | |
| 2 | seqp1 14199 | . . . 4 ⊢ (𝑁 ∈ (ℤ≥‘1) → (seq1(𝑆, (ℕ × { 0hop }))‘(𝑁 + 1)) = ((seq1(𝑆, (ℕ × { 0hop }))‘𝑁)𝑆((ℕ × { 0hop })‘(𝑁 + 1)))) | |
| 3 | 1, 2 | sylbi 220 | . . 3 ⊢ (𝑁 ∈ ℕ → (seq1(𝑆, (ℕ × { 0hop }))‘(𝑁 + 1)) = ((seq1(𝑆, (ℕ × { 0hop }))‘𝑁)𝑆((ℕ × { 0hop })‘(𝑁 + 1)))) |
| 4 | opsqrlem2.3 | . . . 4 ⊢ 𝐹 = seq1(𝑆, (ℕ × { 0hop })) | |
| 5 | 4 | fveq1i 6917 | . . 3 ⊢ (𝐹‘(𝑁 + 1)) = (seq1(𝑆, (ℕ × { 0hop }))‘(𝑁 + 1)) |
| 6 | 4 | fveq1i 6917 | . . . 4 ⊢ (𝐹‘𝑁) = (seq1(𝑆, (ℕ × { 0hop }))‘𝑁) |
| 7 | 6 | oveq1i 7461 | . . 3 ⊢ ((𝐹‘𝑁)𝑆((ℕ × { 0hop })‘(𝑁 + 1))) = ((seq1(𝑆, (ℕ × { 0hop }))‘𝑁)𝑆((ℕ × { 0hop })‘(𝑁 + 1))) |
| 8 | 3, 5, 7 | 3eqtr4g 2823 | . 2 ⊢ (𝑁 ∈ ℕ → (𝐹‘(𝑁 + 1)) = ((𝐹‘𝑁)𝑆((ℕ × { 0hop })‘(𝑁 + 1)))) |
| 9 | opsqrlem2.1 | . . . . 5 ⊢ 𝑇 ∈ HrmOp | |
| 10 | opsqrlem2.2 | . . . . 5 ⊢ 𝑆 = (𝑥 ∈ HrmOp, 𝑦 ∈ HrmOp ↦ (𝑥 +op ((1 / 2) ·op (𝑇 −op (𝑥 ∘ 𝑥))))) | |
| 11 | 9, 10, 4 | opsqrlem4 32802 | . . . 4 ⊢ 𝐹:ℕ⟶HrmOp |
| 12 | 11 | ffvelcdmi 7115 | . . 3 ⊢ (𝑁 ∈ ℕ → (𝐹‘𝑁) ∈ HrmOp) |
| 13 | peano2nn 12387 | . . . . 5 ⊢ (𝑁 ∈ ℕ → (𝑁 + 1) ∈ ℕ) | |
| 14 | 0hmop 32642 | . . . . . . 7 ⊢ 0hop ∈ HrmOp | |
| 15 | 14 | elexi 3476 | . . . . . 6 ⊢ 0hop ∈ V |
| 16 | 15 | fvconst2 7241 | . . . . 5 ⊢ ((𝑁 + 1) ∈ ℕ → ((ℕ × { 0hop })‘(𝑁 + 1)) = 0hop ) |
| 17 | 13, 16 | syl 18 | . . . 4 ⊢ (𝑁 ∈ ℕ → ((ℕ × { 0hop })‘(𝑁 + 1)) = 0hop ) |
| 18 | 17, 14 | eqeltrdi 2872 | . . 3 ⊢ (𝑁 ∈ ℕ → ((ℕ × { 0hop })‘(𝑁 + 1)) ∈ HrmOp) |
| 19 | 9, 10, 4 | opsqrlem3 32801 | . . 3 ⊢ (((𝐹‘𝑁) ∈ HrmOp ∧ ((ℕ × { 0hop })‘(𝑁 + 1)) ∈ HrmOp) → ((𝐹‘𝑁)𝑆((ℕ × { 0hop })‘(𝑁 + 1))) = ((𝐹‘𝑁) +op ((1 / 2) ·op (𝑇 −op ((𝐹‘𝑁) ∘ (𝐹‘𝑁)))))) |
| 20 | 12, 18, 19 | syl2anc 596 | . 2 ⊢ (𝑁 ∈ ℕ → ((𝐹‘𝑁)𝑆((ℕ × { 0hop })‘(𝑁 + 1))) = ((𝐹‘𝑁) +op ((1 / 2) ·op (𝑇 −op ((𝐹‘𝑁) ∘ (𝐹‘𝑁)))))) |
| 21 | 8, 20 | eqtrd 2798 | 1 ⊢ (𝑁 ∈ ℕ → (𝐹‘(𝑁 + 1)) = ((𝐹‘𝑁) +op ((1 / 2) ·op (𝑇 −op ((𝐹‘𝑁) ∘ (𝐹‘𝑁)))))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2147 {csn 4588 × cxp 5656 ∘ ccom 5662 ‘cfv 6566 (class class class)co 7451 ∈ cmpo 7453 1c1 11240 + caddc 11242 / cdiv 12013 ℕcn 12375 2c2 12437 ℤ≥cuz 13005 seqcseq 14184 +op chos 31597 ·op chot 31598 −op chod 31599 0hop ch0o 31602 HrmOpcho 31609 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-inf2 9679 ax-cc 10552 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316 ax-pre-sup 11317 ax-addf 11318 ax-mulf 11319 ax-hilex 31658 ax-hfvadd 31659 ax-hvcom 31660 ax-hvass 31661 ax-hv0cl 31662 ax-hvaddid 31663 ax-hfvmul 31664 ax-hvmulid 31665 ax-hvmulass 31666 ax-hvdistr1 31667 ax-hvdistr2 31668 ax-hvmul0 31669 ax-hfi 31738 ax-his1 31741 ax-his2 31742 ax-his3 31743 ax-his4 31744 ax-hcompl 31861 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4841 df-uni 4873 df-int 4913 df-iun 4958 df-iin 4959 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-se 5612 df-we 5613 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-isom 6575 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-of 7725 df-om 7912 df-1st 8035 df-2nd 8036 df-supp 8215 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-1o 8514 df-2o 8515 df-oadd 8518 df-omul 8519 df-er 8755 df-map 8887 df-pm 8888 df-ixp 8964 df-en 9012 df-dom 9013 df-sdom 9014 df-fin 9015 df-fsupp 9392 df-fi 9440 df-sup 9471 df-inf 9472 df-oi 9541 df-card 10057 df-acn 10060 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-div 12014 df-nn 12376 df-2 12445 df-3 12446 df-4 12447 df-5 12448 df-6 12449 df-7 12450 df-8 12451 df-9 12452 df-n0 12647 df-z 12734 df-dec 12855 df-uz 13006 df-q 13116 df-rp 13161 df-xneg 13281 df-xadd 13282 df-xmul 13283 df-ioo 13520 df-ico 13522 df-icc 13523 df-fz 13680 df-fzo 13829 df-fl 13972 df-seq 14185 df-exp 14245 df-hash 14516 df-cj 15309 df-re 15310 df-im 15311 df-sqrt 15445 df-abs 15446 df-clim 15699 df-rlim 15700 df-sum 15898 df-struct 17369 df-sets 17386 df-slot 17404 df-ndx 17416 df-base 17432 df-ress 17453 df-plusg 17486 df-mulr 17487 df-starv 17488 df-sca 17489 df-vsca 17490 df-ip 17491 df-tset 17492 df-ple 17493 df-ds 17495 df-unif 17496 df-hom 17497 df-cco 17498 df-euf 17499 df-rest 17643 df-topn 17644 df-0g 17662 df-gsum 17663 df-topgen 17664 df-pt 17665 df-prds 17668 df-xrs 17724 df-qtop 17729 df-imas 17730 df-xps 17732 df-mre 17806 df-mrc 17807 df-acs 17809 df-mgm 18866 df-sgrp 18958 df-mnd 18974 df-submnd 19029 df-mulg 19328 df-cntz 19582 df-cmn 20047 df-psmet 21721 df-xmet 21722 df-met 21723 df-bl 21724 df-mopn 21725 df-fbas 21726 df-fg 21727 df-cnfld 21730 df-top 23267 df-topon 23284 df-topsp 23306 df-bases 23319 df-cld 23392 df-ntr 23393 df-cls 23394 df-nei 23471 df-cn 23600 df-cnp 23601 df-lm 23602 df-haus 23688 df-tx 23936 df-hmeo 24129 df-fil 24220 df-fm 24312 df-flim 24313 df-flf 24314 df-xms 24694 df-ms 24695 df-tms 24696 df-cfil 25631 df-cau 25632 df-cmet 25633 df-grpo 31152 df-gid 31153 df-ginv 31154 df-gdiv 31155 df-ablo 31204 df-vc 31218 df-nv 31251 df-va 31254 df-ba 31255 df-sm 31256 df-0v 31257 df-vs 31258 df-nmcv 31259 df-ims 31260 df-dip 31360 df-ssp 31381 df-ph 31472 df-cbn 31522 df-hnorm 31627 df-hba 31628 df-hvsub 31630 df-hlim 31631 df-hcau 31632 df-sh 31866 df-ch 31880 df-oc 31911 df-ch0 31912 df-shs 31967 df-pjh 32054 df-hosum 32389 df-homul 32390 df-hodif 32391 df-h0op 32407 df-hmop 32503 |
| This theorem is used by: opsqrlem6 32804 |
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