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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 12436 | . 2 ⊢ 4 ∈ ℕ | |
| 2 | 1 | nnzi 12730 | 1 ⊢ 4 ∈ ℤ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2146 4c4 12409 ℤcz 12703 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-sep 5251 ax-nul 5262 ax-pr 5394 ax-un 7758 ax-1cn 11268 ax-icn 11269 ax-addcl 11270 ax-addrcl 11271 ax-mulcl 11272 ax-mulrcl 11273 ax-i2m1 11278 ax-1ne0 11279 ax-rrecex 11282 ax-cnre 11283 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-reu 3369 df-rab 3416 df-v 3455 df-sbc 3742 df-csb 3851 df-ss 3900 df-pss 4016 df-dif 4049 df-in 4093 df-un 4153 df-nul 4281 df-if 4485 df-pw 4561 df-sn 4588 df-pr 4590 df-op 4838 df-uni 4870 df-iun 4955 df-br 5106 df-opab 5170 df-mpt 5189 df-tr 5215 df-id 5549 df-eprel 5554 df-po 5562 df-so 5563 df-fr 5607 df-we 5609 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-pred 6310 df-ord 6371 df-on 6372 df-lim 6373 df-suc 6374 df-iota 6500 df-fun 6548 df-fn 6549 df-f 6550 df-f1 6551 df-fo 6552 df-f1o 6553 df-fv 6554 df-ov 7430 df-om 7885 df-2nd 8009 df-frecs 8310 df-wrecs 8341 df-recs 8390 df-rdg 8429 df-neg 11554 df-nn 12346 df-2 12415 df-3 12416 df-4 12417 df-z 12704 |
| This theorem is used by: fz0to4untppr 13774 fzo0to42pr 13898 fzo1to4tp 13899 iexpcyc 14361 sqoddm1div8 14397 4bc2eq6 14483 ef01bndlem 16364 sin01bnd 16365 cos01bnd 16366 4dvdseven 16555 flodddiv4lt 16599 6gcd4e2 16723 6lcm4e12 16803 lcmf2a3a4e12 16834 ge2nprmge4 16889 prm23lt5 17004 1259lem3 17323 ppiub 27543 bclbnd 27619 bposlem6 27628 bposlem9 27631 lgsdir2lem2 27665 m1lgs 27727 2lgsoddprmlem2 27748 chebbnd1lem2 27809 chebbnd1lem3 27810 pntlema 27935 pntlemb 27936 flt4lem7 28001 ex-ind-dvds 31074 hgt750lemd 35330 3lexlogpow5ineq5 43250 aks4d1p1p7 43264 aks4d1p1p5 43265 aks4d1p1 43266 inductionexd 45295 wallispi2lem1 47220 goldratmolem2 48072 fmtno4prmfac 48796 31prm 48821 mod42tp1mod8 48826 nprmdvdsfacm1 48848 8even 48950 341fppr2 48971 4fppr1 48972 9fppr8 48974 fpprel2 48978 sbgoldbo 49024 nnsum3primesle9 49031 nnsum4primeseven 49037 nnsum4primesevenALTV 49038 tgblthelfgott 49052 gpg5nbgr3star 49318 gpgprismgr4cycllem9 49340 zlmodzxzequa 49747 zlmodzxznm 49748 zlmodzxzequap 49750 zlmodzxzldeplem3 49753 zlmodzxzldep 49755 ldepsnlinclem1 49756 ldepsnlinc 49759 veronesev4lem 51190 |
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