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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 12240 | . 2 ⊢ 4 ∈ ℕ | |
| 2 | 1 | nnzi 12527 | 1 ⊢ 4 ∈ ℤ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 4c4 12214 ℤcz 12500 |
| 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 2709 ax-sep 5243 ax-nul 5253 ax-pr 5379 ax-un 7690 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-i2m1 11106 ax-1ne0 11107 ax-rrecex 11110 ax-cnre 11111 |
| 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 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-ov 7371 df-om 7819 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-neg 11379 df-nn 12158 df-2 12220 df-3 12221 df-4 12222 df-z 12501 |
| This theorem is referenced by: fz0to4untppr 13558 fzo0to42pr 13681 fzo1to4tp 13682 iexpcyc 14142 sqoddm1div8 14178 4bc2eq6 14264 ef01bndlem 16121 sin01bnd 16122 cos01bnd 16123 4dvdseven 16312 flodddiv4lt 16356 6gcd4e2 16477 6lcm4e12 16555 lcmf2a3a4e12 16586 ge2nprmge4 16640 prm23lt5 16754 1259lem3 17072 ppiub 27186 bclbnd 27262 bposlem6 27271 bposlem9 27274 lgsdir2lem2 27308 m1lgs 27370 2lgsoddprmlem2 27391 chebbnd1lem2 27452 chebbnd1lem3 27453 pntlema 27578 pntlemb 27579 ex-ind-dvds 30552 hgt750lemd 34830 3lexlogpow5ineq5 42434 aks4d1p1p7 42448 aks4d1p1p5 42449 aks4d1p1 42450 flt4lem7 43021 inductionexd 44515 wallispi2lem1 46433 fmtno4prmfac 47936 31prm 47961 mod42tp1mod8 47966 8even 48077 341fppr2 48098 4fppr1 48099 9fppr8 48101 fpprel2 48105 sbgoldbo 48151 nnsum3primesle9 48158 nnsum4primeseven 48164 nnsum4primesevenALTV 48165 tgblthelfgott 48179 gpg5nbgr3star 48445 gpgprismgr4cycllem9 48467 zlmodzxzequa 48860 zlmodzxznm 48861 zlmodzxzequap 48863 zlmodzxzldeplem3 48866 zlmodzxzldep 48868 ldepsnlinclem1 48869 ldepsnlinc 48872 |
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