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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 12258 | . 2 ⊢ 4 ∈ ℕ | |
| 2 | 1 | nnzi 12545 | 1 ⊢ 4 ∈ ℤ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 4c4 12232 ℤcz 12518 |
| 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 5232 ax-nul 5242 ax-pr 5371 ax-un 7683 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-i2m1 11100 ax-1ne0 11101 ax-rrecex 11104 ax-cnre 11105 |
| 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 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-ov 7364 df-om 7812 df-2nd 7937 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-neg 11374 df-nn 12169 df-2 12238 df-3 12239 df-4 12240 df-z 12519 |
| This theorem is referenced by: fz0to4untppr 13578 fzo0to42pr 13702 fzo1to4tp 13703 iexpcyc 14163 sqoddm1div8 14199 4bc2eq6 14285 ef01bndlem 16145 sin01bnd 16146 cos01bnd 16147 4dvdseven 16336 flodddiv4lt 16380 6gcd4e2 16501 6lcm4e12 16579 lcmf2a3a4e12 16610 ge2nprmge4 16665 prm23lt5 16779 1259lem3 17097 ppiub 27184 bclbnd 27260 bposlem6 27269 bposlem9 27272 lgsdir2lem2 27306 m1lgs 27368 2lgsoddprmlem2 27389 chebbnd1lem2 27450 chebbnd1lem3 27451 pntlema 27576 pntlemb 27577 ex-ind-dvds 30549 hgt750lemd 34811 3lexlogpow5ineq5 42516 aks4d1p1p7 42530 aks4d1p1p5 42531 aks4d1p1 42532 flt4lem7 43109 inductionexd 44603 wallispi2lem1 46520 fmtno4prmfac 48050 31prm 48075 mod42tp1mod8 48080 nprmdvdsfacm1 48102 8even 48204 341fppr2 48225 4fppr1 48226 9fppr8 48228 fpprel2 48232 sbgoldbo 48278 nnsum3primesle9 48285 nnsum4primeseven 48291 nnsum4primesevenALTV 48292 tgblthelfgott 48306 gpg5nbgr3star 48572 gpgprismgr4cycllem9 48594 zlmodzxzequa 48987 zlmodzxznm 48988 zlmodzxzequap 48990 zlmodzxzldeplem3 48993 zlmodzxzldep 48995 ldepsnlinclem1 48996 ldepsnlinc 48999 |
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