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| Mirrors > Home > MPE Home > Th. List > Mathboxes > rmxyelqirr | Structured version Visualization version GIF version | ||
| Description: The solutions used to construct the X and Y sequences are quadratic irrationals. (Contributed by Stefan O'Rear, 21-Sep-2014.) (Proof shortened by SN, 23-Dec-2024.) |
| Ref | Expression |
|---|---|
| rmxyelqirr | ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) → ((𝐴 + (√‘((𝐴↑2) − 1)))↑𝑁) ∈ {𝑎 ∣ ∃𝑐 ∈ ℕ0 ∃𝑑 ∈ ℤ 𝑎 = (𝑐 + ((√‘((𝐴↑2) − 1)) · 𝑑))}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rmspecnonsq 44054 | . . . . 5 ⊢ (𝐴 ∈ (ℤ≥‘2) → ((𝐴↑2) − 1) ∈ (ℕ ∖ ◻NN)) | |
| 2 | 1 | adantr 486 | . . . 4 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) → ((𝐴↑2) − 1) ∈ (ℕ ∖ ◻NN)) |
| 3 | pell14qrval 43995 | . . . 4 ⊢ (((𝐴↑2) − 1) ∈ (ℕ ∖ ◻NN) → (Pell14QR‘((𝐴↑2) − 1)) = {𝑎 ∈ ℝ ∣ ∃𝑐 ∈ ℕ0 ∃𝑑 ∈ ℤ (𝑎 = (𝑐 + ((√‘((𝐴↑2) − 1)) · 𝑑)) ∧ ((𝑐↑2) − (((𝐴↑2) − 1) · (𝑑↑2))) = 1)}) | |
| 4 | 2, 3 | syl 18 | . . 3 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) → (Pell14QR‘((𝐴↑2) − 1)) = {𝑎 ∈ ℝ ∣ ∃𝑐 ∈ ℕ0 ∃𝑑 ∈ ℤ (𝑎 = (𝑐 + ((√‘((𝐴↑2) − 1)) · 𝑑)) ∧ ((𝑐↑2) − (((𝐴↑2) − 1) · (𝑑↑2))) = 1)}) |
| 5 | rabssab 4012 | . . . 4 ⊢ {𝑎 ∈ ℝ ∣ ∃𝑐 ∈ ℕ0 ∃𝑑 ∈ ℤ (𝑎 = (𝑐 + ((√‘((𝐴↑2) − 1)) · 𝑑)) ∧ ((𝑐↑2) − (((𝐴↑2) − 1) · (𝑑↑2))) = 1)} ⊆ {𝑎 ∣ ∃𝑐 ∈ ℕ0 ∃𝑑 ∈ ℤ (𝑎 = (𝑐 + ((√‘((𝐴↑2) − 1)) · 𝑑)) ∧ ((𝑐↑2) − (((𝐴↑2) − 1) · (𝑑↑2))) = 1)} | |
| 6 | simpl 488 | . . . . . . 7 ⊢ ((𝑎 = (𝑐 + ((√‘((𝐴↑2) − 1)) · 𝑑)) ∧ ((𝑐↑2) − (((𝐴↑2) − 1) · (𝑑↑2))) = 1) → 𝑎 = (𝑐 + ((√‘((𝐴↑2) − 1)) · 𝑑))) | |
| 7 | 6 | reximi 3103 | . . . . . 6 ⊢ (∃𝑑 ∈ ℤ (𝑎 = (𝑐 + ((√‘((𝐴↑2) − 1)) · 𝑑)) ∧ ((𝑐↑2) − (((𝐴↑2) − 1) · (𝑑↑2))) = 1) → ∃𝑑 ∈ ℤ 𝑎 = (𝑐 + ((√‘((𝐴↑2) − 1)) · 𝑑))) |
| 8 | 7 | reximi 3103 | . . . . 5 ⊢ (∃𝑐 ∈ ℕ0 ∃𝑑 ∈ ℤ (𝑎 = (𝑐 + ((√‘((𝐴↑2) − 1)) · 𝑑)) ∧ ((𝑐↑2) − (((𝐴↑2) − 1) · (𝑑↑2))) = 1) → ∃𝑐 ∈ ℕ0 ∃𝑑 ∈ ℤ 𝑎 = (𝑐 + ((√‘((𝐴↑2) − 1)) · 𝑑))) |
| 9 | 8 | ss2abi 3993 | . . . 4 ⊢ {𝑎 ∣ ∃𝑐 ∈ ℕ0 ∃𝑑 ∈ ℤ (𝑎 = (𝑐 + ((√‘((𝐴↑2) − 1)) · 𝑑)) ∧ ((𝑐↑2) − (((𝐴↑2) − 1) · (𝑑↑2))) = 1)} ⊆ {𝑎 ∣ ∃𝑐 ∈ ℕ0 ∃𝑑 ∈ ℤ 𝑎 = (𝑐 + ((√‘((𝐴↑2) − 1)) · 𝑑))} |
| 10 | 5, 9 | sstri 3921 | . . 3 ⊢ {𝑎 ∈ ℝ ∣ ∃𝑐 ∈ ℕ0 ∃𝑑 ∈ ℤ (𝑎 = (𝑐 + ((√‘((𝐴↑2) − 1)) · 𝑑)) ∧ ((𝑐↑2) − (((𝐴↑2) − 1) · (𝑑↑2))) = 1)} ⊆ {𝑎 ∣ ∃𝑐 ∈ ℕ0 ∃𝑑 ∈ ℤ 𝑎 = (𝑐 + ((√‘((𝐴↑2) − 1)) · 𝑑))} |
| 11 | 4, 10 | eqsstrdi 3956 | . 2 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) → (Pell14QR‘((𝐴↑2) − 1)) ⊆ {𝑎 ∣ ∃𝑐 ∈ ℕ0 ∃𝑑 ∈ ℤ 𝑎 = (𝑐 + ((√‘((𝐴↑2) − 1)) · 𝑑))}) |
| 12 | simpr 490 | . . . 4 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) → 𝑁 ∈ ℤ) | |
| 13 | rmspecfund 44056 | . . . . . . 7 ⊢ (𝐴 ∈ (ℤ≥‘2) → (PellFund‘((𝐴↑2) − 1)) = (𝐴 + (√‘((𝐴↑2) − 1)))) | |
| 14 | 13 | adantr 486 | . . . . . 6 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) → (PellFund‘((𝐴↑2) − 1)) = (𝐴 + (√‘((𝐴↑2) − 1)))) |
| 15 | 14 | eqcomd 2769 | . . . . 5 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) → (𝐴 + (√‘((𝐴↑2) − 1))) = (PellFund‘((𝐴↑2) − 1))) |
| 16 | 15 | oveq1d 7442 | . . . 4 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) → ((𝐴 + (√‘((𝐴↑2) − 1)))↑𝑁) = ((PellFund‘((𝐴↑2) − 1))↑𝑁)) |
| 17 | oveq2 7435 | . . . . 5 ⊢ (𝑎 = 𝑁 → ((PellFund‘((𝐴↑2) − 1))↑𝑎) = ((PellFund‘((𝐴↑2) − 1))↑𝑁)) | |
| 18 | 17 | rspceeqv 3601 | . . . 4 ⊢ ((𝑁 ∈ ℤ ∧ ((𝐴 + (√‘((𝐴↑2) − 1)))↑𝑁) = ((PellFund‘((𝐴↑2) − 1))↑𝑁)) → ∃𝑎 ∈ ℤ ((𝐴 + (√‘((𝐴↑2) − 1)))↑𝑁) = ((PellFund‘((𝐴↑2) − 1))↑𝑎)) |
| 19 | 12, 16, 18 | syl2anc 596 | . . 3 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) → ∃𝑎 ∈ ℤ ((𝐴 + (√‘((𝐴↑2) − 1)))↑𝑁) = ((PellFund‘((𝐴↑2) − 1))↑𝑎)) |
| 20 | pellfund14b 44046 | . . . 4 ⊢ (((𝐴↑2) − 1) ∈ (ℕ ∖ ◻NN) → (((𝐴 + (√‘((𝐴↑2) − 1)))↑𝑁) ∈ (Pell14QR‘((𝐴↑2) − 1)) ↔ ∃𝑎 ∈ ℤ ((𝐴 + (√‘((𝐴↑2) − 1)))↑𝑁) = ((PellFund‘((𝐴↑2) − 1))↑𝑎))) | |
| 21 | 2, 20 | syl 18 | . . 3 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) → (((𝐴 + (√‘((𝐴↑2) − 1)))↑𝑁) ∈ (Pell14QR‘((𝐴↑2) − 1)) ↔ ∃𝑎 ∈ ℤ ((𝐴 + (√‘((𝐴↑2) − 1)))↑𝑁) = ((PellFund‘((𝐴↑2) − 1))↑𝑎))) |
| 22 | 19, 21 | mpbird 260 | . 2 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) → ((𝐴 + (√‘((𝐴↑2) − 1)))↑𝑁) ∈ (Pell14QR‘((𝐴↑2) − 1))) |
| 23 | 11, 22 | sseldd 3913 | 1 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) → ((𝐴 + (√‘((𝐴↑2) − 1)))↑𝑁) ∈ {𝑎 ∣ ∃𝑐 ∈ ℕ0 ∃𝑑 ∈ ℤ 𝑎 = (𝑐 + ((√‘((𝐴↑2) − 1)) · 𝑑))}) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1569 ∈ wcel 2146 {cab 2741 ∃wrex 3089 {crab 3415 ∖ cdif 4047 ‘cfv 6546 (class class class)co 7427 ℝcr 11209 1c1 11211 + caddc 11213 · cmul 11215 − cmin 11551 ℕcn 12345 2c2 12407 ℕ0cn0 12616 ℤcz 12703 ℤ≥cuz 12975 ↑cexp 14214 √csqrt 15412 ◻NNcsquarenn 43983 Pell14QRcpell14qr 43986 PellFundcpellfund 43987 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-rep 5234 ax-sep 5251 ax-nul 5262 ax-pow 5330 ax-pr 5394 ax-un 7758 ax-inf2 9652 ax-cnex 11266 ax-resscn 11267 ax-1cn 11268 ax-icn 11269 ax-addcl 11270 ax-addrcl 11271 ax-mulcl 11272 ax-mulrcl 11273 ax-mulcom 11274 ax-addass 11275 ax-mulass 11276 ax-distr 11277 ax-i2m1 11278 ax-1ne0 11279 ax-1rid 11280 ax-rnegex 11281 ax-rrecex 11282 ax-cnre 11283 ax-pre-lttri 11284 ax-pre-lttrn 11285 ax-pre-ltadd 11286 ax-pre-mulgt0 11287 ax-pre-sup 11288 ax-addf 11289 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3368 df-reu 3369 df-rab 3416 df-v 3455 df-sbc 3742 df-csb 3851 df-ss 3900 df-pss 4016 df-dif 4049 df-in 4093 df-un 4153 df-nul 4281 df-if 4485 df-pw 4561 df-sn 4588 df-pr 4590 df-tp 4592 df-op 4838 df-uni 4870 df-int 4910 df-iun 4955 df-iin 4956 df-br 5106 df-opab 5170 df-mpt 5189 df-tr 5215 df-id 5549 df-eprel 5554 df-po 5562 df-so 5563 df-fr 5607 df-se 5608 df-we 5609 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-pred 6310 df-ord 6371 df-on 6372 df-lim 6373 df-suc 6374 df-iota 6500 df-fun 6548 df-fn 6549 df-f 6550 df-f1 6551 df-fo 6552 df-f1o 6553 df-fv 6554 df-isom 6555 df-riota 7384 df-ov 7430 df-oprab 7431 df-mpo 7432 df-of 7700 df-om 7885 df-1st 8008 df-2nd 8009 df-supp 8188 df-frecs 8310 df-wrecs 8341 df-recs 8390 df-rdg 8429 df-1o 8487 df-2o 8488 df-oadd 8491 df-omul 8492 df-er 8728 df-map 8860 df-pm 8861 df-ixp 8937 df-en 8985 df-dom 8986 df-sdom 8987 df-fin 8988 df-fsupp 9365 df-fi 9413 df-sup 9444 df-inf 9445 df-oi 9514 df-card 10030 df-acn 10033 df-pnf 11355 df-mnf 11356 df-xr 11357 df-ltxr 11358 df-le 11359 df-sub 11553 df-neg 11554 df-div 11984 df-nn 12346 df-2 12415 df-3 12416 df-4 12417 df-5 12418 df-6 12419 df-7 12420 df-8 12421 df-9 12422 df-n0 12617 df-xnn0 12690 df-z 12704 df-dec 12825 df-uz 12976 df-q 13086 df-rp 13131 df-xneg 13251 df-xadd 13252 df-xmul 13253 df-ioo 13490 df-ioc 13491 df-ico 13492 df-icc 13493 df-fz 13650 df-fzo 13799 df-fl 13942 df-mod 14020 df-seq 14155 df-exp 14215 df-fac 14428 df-bc 14457 df-hash 14485 df-shft 15232 df-cj 15278 df-re 15279 df-im 15280 df-sqrt 15414 df-abs 15415 df-limsup 15650 df-clim 15667 df-rlim 15668 df-sum 15866 df-ef 16245 df-sin 16247 df-cos 16248 df-pi 16250 df-dvds 16435 df-gcd 16677 df-numer 16923 df-denom 16924 df-struct 17337 df-sets 17354 df-slot 17372 df-ndx 17384 df-base 17400 df-ress 17421 df-plusg 17453 df-mulr 17454 df-starv 17455 df-sca 17456 df-vsca 17457 df-ip 17458 df-tset 17459 df-ple 17460 df-ds 17462 df-unif 17463 df-hom 17464 df-cco 17465 df-rest 17605 df-topn 17606 df-0g 17624 df-gsum 17625 df-topgen 17626 df-pt 17627 df-prds 17630 df-xrs 17686 df-qtop 17691 df-imas 17692 df-xps 17694 df-mre 17768 df-mrc 17769 df-acs 17771 df-mgm 18828 df-sgrp 18920 df-mnd 18936 df-submnd 18991 df-mulg 19290 df-cntz 19543 df-cmn 20008 df-psmet 21682 df-xmet 21683 df-met 21684 df-bl 21685 df-mopn 21686 df-fbas 21687 df-fg 21688 df-cnfld 21691 df-top 23224 df-topon 23241 df-topsp 23263 df-bases 23276 df-cld 23349 df-ntr 23350 df-cls 23351 df-nei 23428 df-lp 23466 df-perf 23467 df-cn 23557 df-cnp 23558 df-haus 23645 df-tx 23893 df-hmeo 24086 df-fil 24177 df-fm 24269 df-flim 24270 df-flf 24271 df-xms 24651 df-ms 24652 df-tms 24653 df-cncf 25211 df-limc 26198 df-dv 26199 df-log 26896 df-squarenn 43988 df-pell1qr 43989 df-pell14qr 43990 df-pell1234qr 43991 df-pellfund 43992 |
| This theorem is used by: rmxyelxp 44059 rmxyval 44062 |
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