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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 12351 | . 2 ⊢ 4 ∈ ℕ | |
| 2 | 1 | nnzi 12645 | 1 ⊢ 4 ∈ ℤ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2145 4c4 12324 ℤcz 12618 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pr 5398 ax-un 7737 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-i2m1 11195 ax-1ne0 11196 ax-rrecex 11199 ax-cnre 11200 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-ov 7417 df-om 7864 df-2nd 7988 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-neg 11471 df-nn 12261 df-2 12330 df-3 12331 df-4 12332 df-z 12619 |
| This theorem is used by: fz0to4untppr 13688 fzo0to42pr 13812 fzo1to4tp 13813 iexpcyc 14274 sqoddm1div8 14310 4bc2eq6 14396 ef01bndlem 16275 sin01bnd 16276 cos01bnd 16277 4dvdseven 16466 flodddiv4lt 16510 6gcd4e2 16631 6lcm4e12 16709 lcmf2a3a4e12 16740 ge2nprmge4 16795 prm23lt5 16909 1259lem3 17228 ppiub 27443 bclbnd 27519 bposlem6 27528 bposlem9 27531 lgsdir2lem2 27565 m1lgs 27627 2lgsoddprmlem2 27648 chebbnd1lem2 27709 chebbnd1lem3 27710 pntlema 27835 pntlemb 27836 ex-ind-dvds 30944 hgt750lemd 35159 3lexlogpow5ineq5 42929 aks4d1p1p7 42943 aks4d1p1p5 42944 aks4d1p1 42945 flt4lem7 43508 inductionexd 44998 wallispi2lem1 46902 goldratmolem2 47754 fmtno4prmfac 48478 31prm 48503 mod42tp1mod8 48508 nprmdvdsfacm1 48530 8even 48632 341fppr2 48653 4fppr1 48654 9fppr8 48656 fpprel2 48660 sbgoldbo 48706 nnsum3primesle9 48713 nnsum4primeseven 48719 nnsum4primesevenALTV 48720 tgblthelfgott 48734 gpg5nbgr3star 49000 gpgprismgr4cycllem9 49022 zlmodzxzequa 49429 zlmodzxznm 49430 zlmodzxzequap 49432 zlmodzxzldeplem3 49435 zlmodzxzldep 49437 ldepsnlinclem1 49438 ldepsnlinc 49441 veronesev4lem 50812 |
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