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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 11902 | . . 3 ⊢ (𝑁 ∈ ℕ0 ↔ (𝑁 ∈ ℕ ∨ 𝑁 = 0)) | |
2 | nngt0 11671 | . . . 4 ⊢ (𝑁 ∈ ℕ → 0 < 𝑁) | |
3 | id 22 | . . . . 5 ⊢ (𝑁 = 0 → 𝑁 = 0) | |
4 | 3 | eqcomd 2829 | . . . 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 10645 | . . 3 ⊢ 0 ∈ ℝ | |
8 | nn0re 11909 | . . 3 ⊢ (𝑁 ∈ ℕ0 → 𝑁 ∈ ℝ) | |
9 | leloe 10729 | . . 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 1537 ∈ wcel 2114 class class class wbr 5068 ℝcr 10538 0cc0 10539 < clt 10677 ≤ cle 10678 ℕcn 11640 ℕ0cn0 11900 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 ax-un 7463 ax-resscn 10596 ax-1cn 10597 ax-icn 10598 ax-addcl 10599 ax-addrcl 10600 ax-mulcl 10601 ax-mulrcl 10602 ax-mulcom 10603 ax-addass 10604 ax-mulass 10605 ax-distr 10606 ax-i2m1 10607 ax-1ne0 10608 ax-1rid 10609 ax-rnegex 10610 ax-rrecex 10611 ax-cnre 10612 ax-pre-lttri 10613 ax-pre-lttrn 10614 ax-pre-ltadd 10615 ax-pre-mulgt0 10616 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ne 3019 df-nel 3126 df-ral 3145 df-rex 3146 df-reu 3147 df-rab 3149 df-v 3498 df-sbc 3775 df-csb 3886 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-pss 3956 df-nul 4294 df-if 4470 df-pw 4543 df-sn 4570 df-pr 4572 df-tp 4574 df-op 4576 df-uni 4841 df-iun 4923 df-br 5069 df-opab 5131 df-mpt 5149 df-tr 5175 df-id 5462 df-eprel 5467 df-po 5476 df-so 5477 df-fr 5516 df-we 5518 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-pred 6150 df-ord 6196 df-on 6197 df-lim 6198 df-suc 6199 df-iota 6316 df-fun 6359 df-fn 6360 df-f 6361 df-f1 6362 df-fo 6363 df-f1o 6364 df-fv 6365 df-riota 7116 df-ov 7161 df-oprab 7162 df-mpo 7163 df-om 7583 df-wrecs 7949 df-recs 8010 df-rdg 8048 df-er 8291 df-en 8512 df-dom 8513 df-sdom 8514 df-pnf 10679 df-mnf 10680 df-xr 10681 df-ltxr 10682 df-le 10683 df-sub 10874 df-neg 10875 df-nn 11641 df-n0 11901 |
This theorem is referenced by: nn0nlt0 11926 nn0ge0i 11927 nn0le0eq0 11928 nn0p1gt0 11929 0mnnnnn0 11932 nn0addge1 11946 nn0addge2 11947 nn0negleid 11952 nn0ge0d 11961 nn0ge0div 12054 xnn0ge0 12531 xnn0xadd0 12643 nn0rp0 12846 xnn0xrge0 12894 0elfz 13007 fz0fzelfz0 13016 fz0fzdiffz0 13019 fzctr 13022 difelfzle 13023 fzoun 13077 nn0p1elfzo 13083 elfzodifsumelfzo 13106 fvinim0ffz 13159 subfzo0 13162 adddivflid 13191 modmuladdnn0 13286 addmodid 13290 modifeq2int 13304 modfzo0difsn 13314 nn0sq11 13500 bernneq 13593 bernneq3 13595 faclbnd 13653 faclbnd6 13662 facubnd 13663 bcval5 13681 hashneq0 13728 fi1uzind 13858 brfi1indALT 13861 ccat0 13931 ccat2s1fvw 14000 ccat2s1fvwOLD 14001 repswswrd 14148 nn0sqeq1 14638 rprisefaccl 15379 dvdseq 15666 evennn02n 15701 nn0ehalf 15731 nn0oddm1d2 15738 bitsinv1 15793 smuval2 15833 gcdn0gt0 15868 nn0gcdid0 15871 absmulgcd 15899 algcvgblem 15923 algcvga 15925 lcmgcdnn 15957 lcmfun 15991 lcmfass 15992 2mulprm 16039 nonsq 16101 hashgcdlem 16127 odzdvds 16134 pcfaclem 16236 coe1sclmul 20452 coe1sclmul2 20454 prmirredlem 20642 prmirred 20644 fvmptnn04ifb 21461 mdegle0 24673 plypf1 24804 dgrlt 24858 fta1 24899 taylfval 24949 logbgcd1irr 25374 eldmgm 25601 basellem3 25662 bcmono 25855 lgsdinn0 25923 2sq2 26011 2sqnn0 26016 2sqreulem1 26024 dchrisumlem1 26067 dchrisumlem2 26068 wwlksnextwrd 27677 wwlksnextfun 27678 wwlksnextinj 27679 wwlksnextproplem2 27691 wwlksnextproplem3 27692 wrdt2ind 30629 xrsmulgzz 30667 hashf2 31345 hasheuni 31346 reprinfz1 31895 0nn0m1nnn0 32353 faclimlem1 32977 rrntotbnd 35116 factwoffsmonot 39105 pell14qrgt0 39463 pell1qrgaplem 39477 monotoddzzfi 39546 jm2.17a 39564 jm2.22 39599 rmxdiophlem 39619 wallispilem3 42359 stirlinglem7 42372 elfz2z 43522 fz0addge0 43526 elfzlble 43527 2ffzoeq 43535 iccpartigtl 43590 sqrtpwpw2p 43707 flsqrt 43763 nn0e 43869 nn0sumltlt 44405 nn0eo 44595 fllog2 44635 dignn0fr 44668 dignnld 44670 dig1 44675 |
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