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| Mirrors > Home > ILE Home > Th. List > caucvgsrlemoffval | GIF version | ||
| Description: Lemma for caucvgsr 7997. 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 5629 | . . . . . . 7 ⊢ (𝑎 = 𝐽 → (𝐹‘𝑎) = (𝐹‘𝐽)) | |
| 4 | 3 | oveq1d 6022 | . . . . . 6 ⊢ (𝑎 = 𝐽 → ((𝐹‘𝑎) +R 1R) = ((𝐹‘𝐽) +R 1R)) |
| 5 | 4 | oveq1d 6022 | . . . . 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 5772 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → (𝐹‘𝐽) ∈ R) |
| 10 | 1sr 7946 | . . . . . 6 ⊢ 1R ∈ R | |
| 11 | addclsr 7948 | . . . . . 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 7985 | . . . . . . 7 ⊢ (𝜑 → 𝐴 ∈ R) |
| 15 | 14 | adantr 276 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → 𝐴 ∈ R) |
| 16 | m1r 7947 | . . . . . 6 ⊢ -1R ∈ R | |
| 17 | mulclsr 7949 | . . . . . 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 7948 | . . . . 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 5717 | . . 3 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → (𝐺‘𝐽) = (((𝐹‘𝐽) +R 1R) +R (𝐴 ·R -1R))) |
| 22 | 21 | oveq1d 6022 | . 2 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → ((𝐺‘𝐽) +R 𝐴) = ((((𝐹‘𝐽) +R 1R) +R (𝐴 ·R -1R)) +R 𝐴)) |
| 23 | addasssrg 7951 | . . 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 1271 | . 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 7950 | . . . . . 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 7966 | . . . . . 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 2262 | . . . 4 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → ((𝐴 ·R -1R) +R 𝐴) = 0R) |
| 30 | 29 | oveq2d 6023 | . . 3 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → (((𝐹‘𝐽) +R 1R) +R ((𝐴 ·R -1R) +R 𝐴)) = (((𝐹‘𝐽) +R 1R) +R 0R)) |
| 31 | 0idsr 7962 | . . . 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 2262 | . 2 ⊢ ((𝜑 ∧ 𝐽 ∈ N) → (((𝐹‘𝐽) +R 1R) +R ((𝐴 ·R -1R) +R 𝐴)) = ((𝐹‘𝐽) +R 1R)) |
| 34 | 22, 24, 33 | 3eqtrd 2266 | 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 1395 ∈ wcel 2200 {cab 2215 ∀wral 2508 〈cop 3669 class class class wbr 4083 ↦ cmpt 4145 ⟶wf 5314 ‘cfv 5318 (class class class)co 6007 1oc1o 6561 [cec 6686 Ncnpi 7467 <N clti 7470 ~Q ceq 7474 *Qcrq 7479 <Q cltq 7480 1Pc1p 7487 +P cpp 7488 ~R cer 7491 Rcnr 7492 0Rc0r 7493 1Rc1r 7494 -1Rcm1r 7495 +R cplr 7496 ·R cmr 7497 <R cltr 7498 |
| 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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4199 ax-sep 4202 ax-nul 4210 ax-pow 4258 ax-pr 4293 ax-un 4524 ax-setind 4629 ax-iinf 4680 |
| This theorem depends on definitions: df-bi 117 df-dc 840 df-3or 1003 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-ral 2513 df-rex 2514 df-reu 2515 df-rab 2517 df-v 2801 df-sbc 3029 df-csb 3125 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-nul 3492 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-iun 3967 df-br 4084 df-opab 4146 df-mpt 4147 df-tr 4183 df-eprel 4380 df-id 4384 df-po 4387 df-iso 4388 df-iord 4457 df-on 4459 df-suc 4462 df-iom 4683 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-rn 4730 df-res 4731 df-ima 4732 df-iota 5278 df-fun 5320 df-fn 5321 df-f 5322 df-f1 5323 df-fo 5324 df-f1o 5325 df-fv 5326 df-ov 6010 df-oprab 6011 df-mpo 6012 df-1st 6292 df-2nd 6293 df-recs 6457 df-irdg 6522 df-1o 6568 df-2o 6569 df-oadd 6572 df-omul 6573 df-er 6688 df-ec 6690 df-qs 6694 df-ni 7499 df-pli 7500 df-mi 7501 df-lti 7502 df-plpq 7539 df-mpq 7540 df-enq 7542 df-nqqs 7543 df-plqqs 7544 df-mqqs 7545 df-1nqqs 7546 df-rq 7547 df-ltnqqs 7548 df-enq0 7619 df-nq0 7620 df-0nq0 7621 df-plq0 7622 df-mq0 7623 df-inp 7661 df-i1p 7662 df-iplp 7663 df-imp 7664 df-enr 7921 df-nr 7922 df-plr 7923 df-mr 7924 df-ltr 7925 df-0r 7926 df-1r 7927 df-m1r 7928 |
| This theorem is referenced by: caucvgsrlemoffcau 7993 caucvgsrlemoffgt1 7994 caucvgsrlemoffres 7995 |
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