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| Mirrors > Home > MPE Home > Th. List > Mathboxes > rmxnn | Structured version Visualization version GIF version | ||
| Description: The X-sequence is defined to range over ℕ0 but never actually takes the value 0. (Contributed by Stefan O'Rear, 4-Oct-2014.) |
| Ref | Expression |
|---|---|
| rmxnn | ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) → (𝐴 Xrm 𝑁) ∈ ℕ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nn0z 12724 | . . . . 5 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℤ) | |
| 2 | frmx 44029 | . . . . . 6 ⊢ Xrm :((ℤ≥‘2) × ℤ)⟶ℕ0 | |
| 3 | 2 | fovcl 7552 | . . . . 5 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) → (𝐴 Xrm 𝑁) ∈ ℕ0) |
| 4 | 1, 3 | sylan2 605 | . . . 4 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (𝐴 Xrm 𝑁) ∈ ℕ0) |
| 5 | rmxypos 44063 | . . . . 5 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (0 < (𝐴 Xrm 𝑁) ∧ 0 ≤ (𝐴 Yrm 𝑁))) | |
| 6 | 5 | simpld 500 | . . . 4 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → 0 < (𝐴 Xrm 𝑁)) |
| 7 | elnnnn0b 12657 | . . . 4 ⊢ ((𝐴 Xrm 𝑁) ∈ ℕ ↔ ((𝐴 Xrm 𝑁) ∈ ℕ0 ∧ 0 < (𝐴 Xrm 𝑁))) | |
| 8 | 4, 6, 7 | sylanbrc 595 | . . 3 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℕ0) → (𝐴 Xrm 𝑁) ∈ ℕ) |
| 9 | 8 | adantlr 728 | . 2 ⊢ (((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) ∧ 𝑁 ∈ ℕ0) → (𝐴 Xrm 𝑁) ∈ ℕ) |
| 10 | rmxneg 44040 | . . . 4 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) → (𝐴 Xrm -𝑁) = (𝐴 Xrm 𝑁)) | |
| 11 | 10 | adantr 486 | . . 3 ⊢ (((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) ∧ -𝑁 ∈ ℕ0) → (𝐴 Xrm -𝑁) = (𝐴 Xrm 𝑁)) |
| 12 | nn0z 12724 | . . . . . 6 ⊢ ( -𝑁 ∈ ℕ0 → -𝑁 ∈ ℤ) | |
| 13 | 2 | fovcl 7552 | . . . . . 6 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ -𝑁 ∈ ℤ) → (𝐴 Xrm -𝑁) ∈ ℕ0) |
| 14 | 12, 13 | sylan2 605 | . . . . 5 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ -𝑁 ∈ ℕ0) → (𝐴 Xrm -𝑁) ∈ ℕ0) |
| 15 | rmxypos 44063 | . . . . . 6 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ -𝑁 ∈ ℕ0) → (0 < (𝐴 Xrm -𝑁) ∧ 0 ≤ (𝐴 Yrm -𝑁))) | |
| 16 | 15 | simpld 500 | . . . . 5 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ -𝑁 ∈ ℕ0) → 0 < (𝐴 Xrm -𝑁)) |
| 17 | elnnnn0b 12657 | . . . . 5 ⊢ ((𝐴 Xrm -𝑁) ∈ ℕ ↔ ((𝐴 Xrm -𝑁) ∈ ℕ0 ∧ 0 < (𝐴 Xrm -𝑁))) | |
| 18 | 14, 16, 17 | sylanbrc 595 | . . . 4 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ -𝑁 ∈ ℕ0) → (𝐴 Xrm -𝑁) ∈ ℕ) |
| 19 | 18 | adantlr 728 | . . 3 ⊢ (((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) ∧ -𝑁 ∈ ℕ0) → (𝐴 Xrm -𝑁) ∈ ℕ) |
| 20 | 11, 19 | eqeltrrd 2861 | . 2 ⊢ (((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) ∧ -𝑁 ∈ ℕ0) → (𝐴 Xrm 𝑁) ∈ ℕ) |
| 21 | elznn0 12715 | . . . 4 ⊢ (𝑁 ∈ ℤ ↔ (𝑁 ∈ ℝ ∧ (𝑁 ∈ ℕ0 ∨ -𝑁 ∈ ℕ0))) | |
| 22 | 21 | simprbi 503 | . . 3 ⊢ (𝑁 ∈ ℤ → (𝑁 ∈ ℕ0 ∨ -𝑁 ∈ ℕ0)) |
| 23 | 22 | adantl 487 | . 2 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) → (𝑁 ∈ ℕ0 ∨ -𝑁 ∈ ℕ0)) |
| 24 | 9, 20, 23 | mpjaodan 973 | 1 ⊢ ((𝐴 ∈ (ℤ≥‘2) ∧ 𝑁 ∈ ℤ) → (𝐴 Xrm 𝑁) ∈ ℕ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∨ wo 861 = wceq 1569 ∈ wcel 2144 class class class wbr 5102 ‘cfv 6543 (class class class)co 7424 ℝcr 11206 0cc0 11207 < clt 11350 ≤ cle 11351 -cneg 11549 ℕcn 12342 2c2 12404 ℕ0cn0 12613 ℤcz 12700 ℤ≥cuz 12972 Xrm crmx 44016 Yrm crmy 44017 |
| 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 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5327 ax-pr 5391 ax-un 7755 ax-inf2 9649 ax-cnex 11263 ax-resscn 11264 ax-1cn 11265 ax-icn 11266 ax-addcl 11267 ax-addrcl 11268 ax-mulcl 11269 ax-mulrcl 11270 ax-mulcom 11271 ax-addass 11272 ax-mulass 11273 ax-distr 11274 ax-i2m1 11275 ax-1ne0 11276 ax-1rid 11277 ax-rnegex 11278 ax-rrecex 11279 ax-cnre 11280 ax-pre-lttri 11281 ax-pre-lttrn 11282 ax-pre-ltadd 11283 ax-pre-mulgt0 11284 ax-pre-sup 11285 ax-addf 11286 |
| 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 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-int 4907 df-iun 4952 df-iin 4953 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-se 5605 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6307 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-isom 6552 df-riota 7381 df-ov 7427 df-oprab 7428 df-mpo 7429 df-of 7697 df-om 7882 df-1st 8005 df-2nd 8006 df-supp 8184 df-frecs 8306 df-wrecs 8337 df-recs 8386 df-rdg 8425 df-1o 8483 df-2o 8484 df-oadd 8487 df-omul 8488 df-er 8724 df-map 8856 df-pm 8857 df-ixp 8933 df-en 8981 df-dom 8982 df-sdom 8983 df-fin 8984 df-fsupp 9361 df-fi 9410 df-sup 9441 df-inf 9442 df-oi 9511 df-card 10027 df-acn 10030 df-pnf 11352 df-mnf 11353 df-xr 11354 df-ltxr 11355 df-le 11356 df-sub 11550 df-neg 11551 df-div 11981 df-nn 12343 df-2 12412 df-3 12413 df-4 12414 df-5 12415 df-6 12416 df-7 12417 df-8 12418 df-9 12419 df-n0 12614 df-xnn0 12687 df-z 12701 df-dec 12822 df-uz 12973 df-q 13083 df-rp 13128 df-xneg 13248 df-xadd 13249 df-xmul 13250 df-ioo 13487 df-ioc 13488 df-ico 13489 df-icc 13490 df-fz 13647 df-fzo 13796 df-fl 13939 df-mod 14017 df-seq 14152 df-exp 14212 df-fac 14425 df-bc 14454 df-hash 14482 df-shft 15229 df-cj 15275 df-re 15276 df-im 15277 df-sqrt 15411 df-abs 15412 df-limsup 15647 df-clim 15664 df-rlim 15665 df-sum 15863 df-ef 16242 df-sin 16244 df-cos 16245 df-pi 16247 df-dvds 16432 df-gcd 16674 df-numer 16920 df-denom 16921 df-struct 17334 df-sets 17351 df-slot 17369 df-ndx 17381 df-base 17397 df-ress 17418 df-plusg 17450 df-mulr 17451 df-starv 17452 df-sca 17453 df-vsca 17454 df-ip 17455 df-tset 17456 df-ple 17457 df-ds 17459 df-unif 17460 df-hom 17461 df-cco 17462 df-rest 17602 df-topn 17603 df-0g 17621 df-gsum 17622 df-topgen 17623 df-pt 17624 df-prds 17627 df-xrs 17683 df-qtop 17688 df-imas 17689 df-xps 17691 df-mre 17765 df-mrc 17766 df-acs 17768 df-mgm 18825 df-sgrp 18917 df-mnd 18933 df-submnd 18988 df-mulg 19287 df-cntz 19540 df-cmn 20005 df-psmet 21679 df-xmet 21680 df-met 21681 df-bl 21682 df-mopn 21683 df-fbas 21684 df-fg 21685 df-cnfld 21688 df-top 23221 df-topon 23238 df-topsp 23260 df-bases 23273 df-cld 23346 df-ntr 23347 df-cls 23348 df-nei 23425 df-lp 23463 df-perf 23464 df-cn 23554 df-cnp 23555 df-haus 23642 df-tx 23890 df-hmeo 24083 df-fil 24174 df-fm 24266 df-flim 24267 df-flf 24268 df-xms 24648 df-ms 24649 df-tms 24650 df-cncf 25208 df-limc 26195 df-dv 26196 df-log 26893 df-squarenn 43957 df-pell1qr 43958 df-pell14qr 43959 df-pell1234qr 43960 df-pellfund 43961 df-rmx 44018 df-rmy 44019 |
| This theorem is used by: jm2.27c 44123 |
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