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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 12226 | . 2 ⊢ 4 ∈ ℕ | |
| 2 | 1 | nnzi 12513 | 1 ⊢ 4 ∈ ℤ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2113 4c4 12200 ℤcz 12486 |
| 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 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pr 5375 ax-un 7678 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-addrcl 11085 ax-mulcl 11086 ax-mulrcl 11087 ax-i2m1 11092 ax-1ne0 11093 ax-rrecex 11096 ax-cnre 11097 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-ral 3050 df-rex 3059 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-iun 4946 df-br 5097 df-opab 5159 df-mpt 5178 df-tr 5204 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-ov 7359 df-om 7807 df-2nd 7932 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-neg 11365 df-nn 12144 df-2 12206 df-3 12207 df-4 12208 df-z 12487 |
| This theorem is referenced by: fz0to4untppr 13544 fzo0to42pr 13667 fzo1to4tp 13668 iexpcyc 14128 sqoddm1div8 14164 4bc2eq6 14250 ef01bndlem 16107 sin01bnd 16108 cos01bnd 16109 4dvdseven 16298 flodddiv4lt 16342 6gcd4e2 16463 6lcm4e12 16541 lcmf2a3a4e12 16572 ge2nprmge4 16626 prm23lt5 16740 1259lem3 17058 ppiub 27169 bclbnd 27245 bposlem6 27254 bposlem9 27257 lgsdir2lem2 27291 m1lgs 27353 2lgsoddprmlem2 27374 chebbnd1lem2 27435 chebbnd1lem3 27436 pntlema 27561 pntlemb 27562 ex-ind-dvds 30485 hgt750lemd 34754 3lexlogpow5ineq5 42253 aks4d1p1p7 42267 aks4d1p1p5 42268 aks4d1p1 42269 flt4lem7 42844 inductionexd 44338 wallispi2lem1 46257 fmtno4prmfac 47760 31prm 47785 mod42tp1mod8 47790 8even 47901 341fppr2 47922 4fppr1 47923 9fppr8 47925 fpprel2 47929 sbgoldbo 47975 nnsum3primesle9 47982 nnsum4primeseven 47988 nnsum4primesevenALTV 47989 tgblthelfgott 48003 gpg5nbgr3star 48269 gpgprismgr4cycllem9 48291 zlmodzxzequa 48684 zlmodzxznm 48685 zlmodzxzequap 48687 zlmodzxzldeplem3 48690 zlmodzxzldep 48692 ldepsnlinclem1 48693 ldepsnlinc 48696 |
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