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Mirrors > Home > MPE Home > Th. List > nn0ge0 | Structured version Visualization version GIF version |
Description: A nonnegative integer is greater than or equal to zero. (Contributed by NM, 9-May-2004.) (Revised by Mario Carneiro, 16-May-2014.) |
Ref | Expression |
---|---|
nn0ge0 | ⊢ (𝑁 ∈ ℕ0 → 0 ≤ 𝑁) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elnn0 11893 | . . 3 ⊢ (𝑁 ∈ ℕ0 ↔ (𝑁 ∈ ℕ ∨ 𝑁 = 0)) | |
2 | nngt0 11662 | . . . 4 ⊢ (𝑁 ∈ ℕ → 0 < 𝑁) | |
3 | id 22 | . . . . 5 ⊢ (𝑁 = 0 → 𝑁 = 0) | |
4 | 3 | eqcomd 2827 | . . . 4 ⊢ (𝑁 = 0 → 0 = 𝑁) |
5 | 2, 4 | orim12i 905 | . . 3 ⊢ ((𝑁 ∈ ℕ ∨ 𝑁 = 0) → (0 < 𝑁 ∨ 0 = 𝑁)) |
6 | 1, 5 | sylbi 219 | . 2 ⊢ (𝑁 ∈ ℕ0 → (0 < 𝑁 ∨ 0 = 𝑁)) |
7 | 0re 10637 | . . 3 ⊢ 0 ∈ ℝ | |
8 | nn0re 11900 | . . 3 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℝ) | |
9 | leloe 10721 | . . 3 ⊢ ((0 ∈ ℝ ∧ 𝑁 ∈ ℝ) → (0 ≤ 𝑁 ↔ (0 < 𝑁 ∨ 0 = 𝑁))) | |
10 | 7, 8, 9 | sylancr 589 | . 2 ⊢ (𝑁 ∈ ℕ0 → (0 ≤ 𝑁 ↔ (0 < 𝑁 ∨ 0 = 𝑁))) |
11 | 6, 10 | mpbird 259 | 1 ⊢ (𝑁 ∈ ℕ0 → 0 ≤ 𝑁) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∨ wo 843 = wceq 1533 ∈ wcel 2110 class class class wbr 5058 ℝcr 10530 0cc0 10531 < clt 10669 ≤ cle 10670 ℕcn 11632 ℕ0cn0 11891 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5195 ax-nul 5202 ax-pow 5258 ax-pr 5321 ax-un 7455 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 ax-pre-mulgt0 10608 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-pss 3953 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4561 df-pr 4563 df-tp 4565 df-op 4567 df-uni 4832 df-iun 4913 df-br 5059 df-opab 5121 df-mpt 5139 df-tr 5165 df-id 5454 df-eprel 5459 df-po 5468 df-so 5469 df-fr 5508 df-we 5510 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-pred 6142 df-ord 6188 df-on 6189 df-lim 6190 df-suc 6191 df-iota 6308 df-fun 6351 df-fn 6352 df-f 6353 df-f1 6354 df-fo 6355 df-f1o 6356 df-fv 6357 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-om 7575 df-wrecs 7941 df-recs 8002 df-rdg 8040 df-er 8283 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 df-sub 10866 df-neg 10867 df-nn 11633 df-n0 11892 |
This theorem is referenced by: nn0nlt0 11917 nn0ge0i 11918 nn0le0eq0 11919 nn0p1gt0 11920 0mnnnnn0 11923 nn0addge1 11937 nn0addge2 11938 nn0negleid 11943 nn0ge0d 11952 nn0ge0div 12045 xnn0ge0 12522 xnn0xadd0 12634 nn0rp0 12837 xnn0xrge0 12885 0elfz 12998 fz0fzelfz0 13007 fz0fzdiffz0 13010 fzctr 13013 difelfzle 13014 fzoun 13068 nn0p1elfzo 13074 elfzodifsumelfzo 13097 fvinim0ffz 13150 subfzo0 13153 adddivflid 13182 modmuladdnn0 13277 addmodid 13281 modifeq2int 13295 modfzo0difsn 13305 nn0sq11 13491 bernneq 13584 bernneq3 13586 faclbnd 13644 faclbnd6 13653 facubnd 13654 bcval5 13672 hashneq0 13719 fi1uzind 13849 brfi1indALT 13852 ccat0 13923 ccat2s1fvw 13992 ccat2s1fvwOLD 13993 repswswrd 14140 nn0sqeq1 14630 rprisefaccl 15371 dvdseq 15658 evennn02n 15693 nn0ehalf 15723 nn0oddm1d2 15730 bitsinv1 15785 smuval2 15825 gcdn0gt0 15860 nn0gcdid0 15863 absmulgcd 15891 algcvgblem 15915 algcvga 15917 lcmgcdnn 15949 lcmfun 15983 lcmfass 15984 2mulprm 16031 nonsq 16093 hashgcdlem 16119 odzdvds 16126 pcfaclem 16228 coe1sclmul 20444 coe1sclmul2 20446 prmirredlem 20634 prmirred 20636 fvmptnn04ifb 21453 mdegle0 24665 plypf1 24796 dgrlt 24850 fta1 24891 taylfval 24941 logbgcd1irr 25366 eldmgm 25593 basellem3 25654 bcmono 25847 lgsdinn0 25915 2sq2 26003 2sqnn0 26008 2sqreulem1 26016 dchrisumlem1 26059 dchrisumlem2 26060 wwlksnextwrd 27669 wwlksnextfun 27670 wwlksnextinj 27671 wwlksnextproplem2 27683 wwlksnextproplem3 27684 wrdt2ind 30622 xrsmulgzz 30660 hashf2 31338 hasheuni 31339 reprinfz1 31888 0nn0m1nnn0 32346 faclimlem1 32970 rrntotbnd 35108 pell14qrgt0 39449 pell1qrgaplem 39463 monotoddzzfi 39532 jm2.17a 39550 jm2.22 39585 rmxdiophlem 39605 wallispilem3 42346 stirlinglem7 42359 elfz2z 43509 fz0addge0 43513 elfzlble 43514 2ffzoeq 43522 iccpartigtl 43577 sqrtpwpw2p 43694 flsqrt 43750 nn0e 43856 nn0sumltlt 44392 nn0eo 44582 fllog2 44622 dignn0fr 44655 dignnld 44657 dig1 44662 |
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