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Mirrors > Home > MPE Home > Th. List > 4z | Structured version Visualization version GIF version |
Description: 4 is an integer. (Contributed by BJ, 26-Mar-2020.) |
Ref | Expression |
---|---|
4z | ⊢ 4 ∈ ℤ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 4nn 11719 | . 2 ⊢ 4 ∈ ℕ | |
2 | 1 | nnzi 12005 | 1 ⊢ 4 ∈ ℤ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2110 4c4 11693 ℤcz 11980 |
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 5202 ax-nul 5209 ax-pow 5265 ax-pr 5329 ax-un 7460 ax-1cn 10594 ax-icn 10595 ax-addcl 10596 ax-addrcl 10597 ax-mulcl 10598 ax-mulrcl 10599 ax-i2m1 10604 ax-1ne0 10605 ax-rrecex 10608 ax-cnre 10609 |
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-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 4567 df-pr 4569 df-tp 4571 df-op 4573 df-uni 4838 df-iun 4920 df-br 5066 df-opab 5128 df-mpt 5146 df-tr 5172 df-id 5459 df-eprel 5464 df-po 5473 df-so 5474 df-fr 5513 df-we 5515 df-xp 5560 df-rel 5561 df-cnv 5562 df-co 5563 df-dm 5564 df-rn 5565 df-res 5566 df-ima 5567 df-pred 6147 df-ord 6193 df-on 6194 df-lim 6195 df-suc 6196 df-iota 6313 df-fun 6356 df-fn 6357 df-f 6358 df-f1 6359 df-fo 6360 df-f1o 6361 df-fv 6362 df-ov 7158 df-om 7580 df-wrecs 7946 df-recs 8007 df-rdg 8045 df-neg 10872 df-nn 11638 df-2 11699 df-3 11700 df-4 11701 df-z 11981 |
This theorem is referenced by: fz0to4untppr 13009 fzo0to42pr 13123 fzo1to4tp 13124 iexpcyc 13568 sqoddm1div8 13603 4bc2eq6 13688 ef01bndlem 15536 sin01bnd 15537 cos01bnd 15538 4dvdseven 15723 flodddiv4lt 15765 6gcd4e2 15885 6lcm4e12 15959 lcmf2a3a4e12 15990 ge2nprmge4 16044 prm23lt5 16150 1259lem3 16465 ppiub 25779 bclbnd 25855 bposlem6 25864 bposlem9 25867 lgsdir2lem2 25901 m1lgs 25963 2lgsoddprmlem2 25984 chebbnd1lem2 26045 chebbnd1lem3 26046 pntlema 26171 pntlemb 26172 ex-ind-dvds 28239 hgt750lemd 31919 inductionexd 40503 wallispi2lem1 42355 fmtno4prmfac 43733 31prm 43759 mod42tp1mod8 43766 8even 43877 341fppr2 43898 4fppr1 43899 9fppr8 43901 fpprel2 43905 sbgoldbo 43951 nnsum3primesle9 43958 nnsum4primeseven 43964 nnsum4primesevenALTV 43965 tgblthelfgott 43979 zlmodzxzequa 44550 zlmodzxznm 44551 zlmodzxzequap 44553 zlmodzxzldeplem3 44556 zlmodzxzldep 44558 ldepsnlinclem1 44559 ldepsnlinc 44562 |
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