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| Mirrors > Home > MPE Home > Th. List > peano2z | Structured version Visualization version GIF version | ||
| Description: Second Peano postulate generalized to integers. (Contributed by NM, 13-Feb-2005.) |
| Ref | Expression |
|---|---|
| peano2z | ⊢ (𝑁 ∈ ℤ → (𝑁 + 1) ∈ ℤ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1z 12557 | . 2 ⊢ 1 ∈ ℤ | |
| 2 | zaddcl 12567 | . 2 ⊢ ((𝑁 ∈ ℤ ∧ 1 ∈ ℤ) → (𝑁 + 1) ∈ ℤ) | |
| 3 | 1, 2 | mpan2 692 | 1 ⊢ (𝑁 ∈ ℤ → (𝑁 + 1) ∈ ℤ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 (class class class)co 7367 1c1 11039 + caddc 11041 ℤcz 12524 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-om 7818 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-er 8643 df-en 8894 df-dom 8895 df-sdom 8896 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-nn 12175 df-n0 12438 df-z 12525 |
| This theorem is referenced by: zleltp1 12578 btwnnz 12605 peano2uz2 12617 uzind 12621 uzind2 12622 peano2zd 12636 eluzp1m1 12814 eluzp1p1 12816 peano2uz 12851 zltaddlt1le 13458 elfzp1b 13555 fzval3 13689 fzossfzop1 13698 zesq 14188 hashfzp1 14393 odd2np1lem 16309 odd2np1 16310 mulsucdiv2z 16322 oddp1d2 16327 zob 16328 ltoddhalfle 16330 fldivp1 16868 telgsumfzs 19964 degltp1le 26038 ppiprm 27114 ppinprm 27115 chtprm 27116 chtnprm 27117 chtub 27175 lgsdir2lem2 27289 poimirlem3 37944 poimirlem4 37945 poimirlem16 37957 poimirlem17 37958 poimirlem19 37960 poimirlem20 37961 itg2addnclem2 37993 fdc 38066 eluzp1 42739 ellz1 43199 rmxluc 43364 rmyluc 43365 jm2.27dlem2 43438 fzopredsuc 47772 icceuelpartlem 47895 oddp1evenALTV 48152 elfzolborelfzop1 48995 dignn0flhalflem1 49091 |
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