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| Mirrors > Home > ILE Home > Th. List > caucvgsrlemoffval | GIF version | ||
| Description: Lemma for caucvgsr 7869. Offsetting the values of the sequence so they are greater than one. (Contributed by Jim Kingdon, 3-Jul-2021.) | 
| Ref | Expression | 
|---|---|
| caucvgsr.f | ⊢ (𝜑 → 𝐹:N⟶R) | 
| caucvgsr.cau | ⊢ (𝜑 → ∀𝑛 ∈ N ∀𝑘 ∈ N (𝑛 <N 𝑘 → ((𝐹‘𝑛) <R ((𝐹‘𝑘) +R [〈(〈{𝑙 ∣ 𝑙 <Q (*Q‘[〈𝑛, 1o〉] ~Q )}, {𝑢 ∣ (*Q‘[〈𝑛, 1o〉] ~Q ) <Q 𝑢}〉 +P 1P), 1P〉] ~R ) ∧ (𝐹‘𝑘) <R ((𝐹‘𝑛) +R [〈(〈{𝑙 ∣ 𝑙 <Q (*Q‘[〈𝑛, 1o〉] ~Q )}, {𝑢 ∣ (*Q‘[〈𝑛, 1o〉] ~Q ) <Q 𝑢}〉 +P 1P), 1P〉] ~R )))) | 
| caucvgsrlembnd.bnd | ⊢ (𝜑 → ∀𝑚 ∈ N 𝐴 <R (𝐹‘𝑚)) | 
| caucvgsrlembnd.offset | ⊢ 𝐺 = (𝑎 ∈ N ↦ (((𝐹‘𝑎) +R 1R) +R (𝐴 ·R -1R))) | 
| Ref | Expression | 
|---|---|
| caucvgsrlemoffval | ⊢ ((𝜑 ∧ 𝐽 ∈ N) → ((𝐺‘𝐽) +R 𝐴) = ((𝐹‘𝐽) +R 1R)) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | caucvgsrlembnd.offset | . . . . 5 ⊢ 𝐺 = (𝑎 ∈ N ↦ (((𝐹‘𝑎) +R 1R) +R (𝐴 ·R -1R))) | |
| 2 | 1 | a1i 9 | . . . 4 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → 𝐺 = (𝑎 ∈ N ↦ (((𝐹‘𝑎) +R 1R) +R (𝐴 ·R -1R)))) | 
| 3 | fveq2 5558 | . . . . . . 7 ⊢ (𝑎 = 𝐽 → (𝐹‘𝑎) = (𝐹‘𝐽)) | |
| 4 | 3 | oveq1d 5937 | . . . . . 6 ⊢ (𝑎 = 𝐽 → ((𝐹‘𝑎) +R 1R) = ((𝐹‘𝐽) +R 1R)) | 
| 5 | 4 | oveq1d 5937 | . . . . 5 ⊢ (𝑎 = 𝐽 → (((𝐹‘𝑎) +R 1R) +R (𝐴 ·R -1R)) = (((𝐹‘𝐽) +R 1R) +R (𝐴 ·R -1R))) | 
| 6 | 5 | adantl 277 | . . . 4 ⊢ (((𝜑 ∧ 𝐽 ∈ N) ∧ 𝑎 = 𝐽) → (((𝐹‘𝑎) +R 1R) +R (𝐴 ·R -1R)) = (((𝐹‘𝐽) +R 1R) +R (𝐴 ·R -1R))) | 
| 7 | simpr 110 | . . . 4 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → 𝐽 ∈ N) | |
| 8 | caucvgsr.f | . . . . . . 7 ⊢ (𝜑 → 𝐹:N⟶R) | |
| 9 | 8 | ffvelcdmda 5697 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → (𝐹‘𝐽) ∈ R) | 
| 10 | 1sr 7818 | . . . . . 6 ⊢ 1R ∈ R | |
| 11 | addclsr 7820 | . . . . . 6 ⊢ (((𝐹‘𝐽) ∈ R ∧ 1R ∈ R) → ((𝐹‘𝐽) +R 1R) ∈ R) | |
| 12 | 9, 10, 11 | sylancl 413 | . . . . 5 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → ((𝐹‘𝐽) +R 1R) ∈ R) | 
| 13 | caucvgsrlembnd.bnd | . . . . . . . 8 ⊢ (𝜑 → ∀𝑚 ∈ N 𝐴 <R (𝐹‘𝑚)) | |
| 14 | 13 | caucvgsrlemasr 7857 | . . . . . . 7 ⊢ (𝜑 → 𝐴 ∈ R) | 
| 15 | 14 | adantr 276 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → 𝐴 ∈ R) | 
| 16 | m1r 7819 | . . . . . 6 ⊢ -1R ∈ R | |
| 17 | mulclsr 7821 | . . . . . 6 ⊢ ((𝐴 ∈ R ∧ -1R ∈ R) → (𝐴 ·R -1R) ∈ R) | |
| 18 | 15, 16, 17 | sylancl 413 | . . . . 5 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → (𝐴 ·R -1R) ∈ R) | 
| 19 | addclsr 7820 | . . . . 5 ⊢ ((((𝐹‘𝐽) +R 1R) ∈ R ∧ (𝐴 ·R -1R) ∈ R) → (((𝐹‘𝐽) +R 1R) +R (𝐴 ·R -1R)) ∈ R) | |
| 20 | 12, 18, 19 | syl2anc 411 | . . . 4 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → (((𝐹‘𝐽) +R 1R) +R (𝐴 ·R -1R)) ∈ R) | 
| 21 | 2, 6, 7, 20 | fvmptd 5642 | . . 3 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → (𝐺‘𝐽) = (((𝐹‘𝐽) +R 1R) +R (𝐴 ·R -1R))) | 
| 22 | 21 | oveq1d 5937 | . 2 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → ((𝐺‘𝐽) +R 𝐴) = ((((𝐹‘𝐽) +R 1R) +R (𝐴 ·R -1R)) +R 𝐴)) | 
| 23 | addasssrg 7823 | . . 3 ⊢ ((((𝐹‘𝐽) +R 1R) ∈ R ∧ (𝐴 ·R -1R) ∈ R ∧ 𝐴 ∈ R) → ((((𝐹‘𝐽) +R 1R) +R (𝐴 ·R -1R)) +R 𝐴) = (((𝐹‘𝐽) +R 1R) +R ((𝐴 ·R -1R) +R 𝐴))) | |
| 24 | 12, 18, 15, 23 | syl3anc 1249 | . 2 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → ((((𝐹‘𝐽) +R 1R) +R (𝐴 ·R -1R)) +R 𝐴) = (((𝐹‘𝐽) +R 1R) +R ((𝐴 ·R -1R) +R 𝐴))) | 
| 25 | addcomsrg 7822 | . . . . . 6 ⊢ (((𝐴 ·R -1R) ∈ R ∧ 𝐴 ∈ R) → ((𝐴 ·R -1R) +R 𝐴) = (𝐴 +R (𝐴 ·R -1R))) | |
| 26 | 18, 15, 25 | syl2anc 411 | . . . . 5 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → ((𝐴 ·R -1R) +R 𝐴) = (𝐴 +R (𝐴 ·R -1R))) | 
| 27 | pn0sr 7838 | . . . . . 6 ⊢ (𝐴 ∈ R → (𝐴 +R (𝐴 ·R -1R)) = 0R) | |
| 28 | 15, 27 | syl 14 | . . . . 5 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → (𝐴 +R (𝐴 ·R -1R)) = 0R) | 
| 29 | 26, 28 | eqtrd 2229 | . . . 4 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → ((𝐴 ·R -1R) +R 𝐴) = 0R) | 
| 30 | 29 | oveq2d 5938 | . . 3 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → (((𝐹‘𝐽) +R 1R) +R ((𝐴 ·R -1R) +R 𝐴)) = (((𝐹‘𝐽) +R 1R) +R 0R)) | 
| 31 | 0idsr 7834 | . . . 4 ⊢ (((𝐹‘𝐽) +R 1R) ∈ R → (((𝐹‘𝐽) +R 1R) +R 0R) = ((𝐹‘𝐽) +R 1R)) | |
| 32 | 12, 31 | syl 14 | . . 3 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → (((𝐹‘𝐽) +R 1R) +R 0R) = ((𝐹‘𝐽) +R 1R)) | 
| 33 | 30, 32 | eqtrd 2229 | . 2 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → (((𝐹‘𝐽) +R 1R) +R ((𝐴 ·R -1R) +R 𝐴)) = ((𝐹‘𝐽) +R 1R)) | 
| 34 | 22, 24, 33 | 3eqtrd 2233 | 1 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → ((𝐺‘𝐽) +R 𝐴) = ((𝐹‘𝐽) +R 1R)) | 
| Colors of variables: wff set class | 
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1364 ∈ wcel 2167 {cab 2182 ∀wral 2475 〈cop 3625 class class class wbr 4033 ↦ cmpt 4094 ⟶wf 5254 ‘cfv 5258 (class class class)co 5922 1oc1o 6467 [cec 6590 Ncnpi 7339 <N clti 7342 ~Q ceq 7346 *Qcrq 7351 <Q cltq 7352 1Pc1p 7359 +P cpp 7360 ~R cer 7363 Rcnr 7364 0Rc0r 7365 1Rc1r 7366 -1Rcm1r 7367 +R cplr 7368 ·R cmr 7369 <R cltr 7370 | 
| 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 615 ax-in2 616 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-coll 4148 ax-sep 4151 ax-nul 4159 ax-pow 4207 ax-pr 4242 ax-un 4468 ax-setind 4573 ax-iinf 4624 | 
| This theorem depends on definitions: df-bi 117 df-dc 836 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ne 2368 df-ral 2480 df-rex 2481 df-reu 2482 df-rab 2484 df-v 2765 df-sbc 2990 df-csb 3085 df-dif 3159 df-un 3161 df-in 3163 df-ss 3170 df-nul 3451 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 df-uni 3840 df-int 3875 df-iun 3918 df-br 4034 df-opab 4095 df-mpt 4096 df-tr 4132 df-eprel 4324 df-id 4328 df-po 4331 df-iso 4332 df-iord 4401 df-on 4403 df-suc 4406 df-iom 4627 df-xp 4669 df-rel 4670 df-cnv 4671 df-co 4672 df-dm 4673 df-rn 4674 df-res 4675 df-ima 4676 df-iota 5219 df-fun 5260 df-fn 5261 df-f 5262 df-f1 5263 df-fo 5264 df-f1o 5265 df-fv 5266 df-ov 5925 df-oprab 5926 df-mpo 5927 df-1st 6198 df-2nd 6199 df-recs 6363 df-irdg 6428 df-1o 6474 df-2o 6475 df-oadd 6478 df-omul 6479 df-er 6592 df-ec 6594 df-qs 6598 df-ni 7371 df-pli 7372 df-mi 7373 df-lti 7374 df-plpq 7411 df-mpq 7412 df-enq 7414 df-nqqs 7415 df-plqqs 7416 df-mqqs 7417 df-1nqqs 7418 df-rq 7419 df-ltnqqs 7420 df-enq0 7491 df-nq0 7492 df-0nq0 7493 df-plq0 7494 df-mq0 7495 df-inp 7533 df-i1p 7534 df-iplp 7535 df-imp 7536 df-enr 7793 df-nr 7794 df-plr 7795 df-mr 7796 df-ltr 7797 df-0r 7798 df-1r 7799 df-m1r 7800 | 
| This theorem is referenced by: caucvgsrlemoffcau 7865 caucvgsrlemoffgt1 7866 caucvgsrlemoffres 7867 | 
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