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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 12302 | . 2 ⊢ 4 ∈ ℕ | |
| 2 | 1 | nnzi 12596 | 1 ⊢ 4 ∈ ℤ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2143 4c4 12275 ℤcz 12569 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1816 ax-4 1830 ax-5 1931 ax-6 1988 ax-7 2029 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5247 ax-nul 5257 ax-pr 5391 ax-un 7719 ax-1cn 11132 ax-icn 11133 ax-addcl 11134 ax-addrcl 11135 ax-mulcl 11136 ax-mulrcl 11137 ax-i2m1 11142 ax-1ne0 11143 ax-rrecex 11146 ax-cnre 11147 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1564 df-fal 1574 df-ex 1801 df-nf 1805 df-sb 2092 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3078 df-rex 3088 df-reu 3369 df-rab 3416 df-v 3457 df-sbc 3746 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5102 df-opab 5164 df-mpt 5183 df-tr 5209 df-id 5543 df-eprel 5548 df-po 5556 df-so 5557 df-fr 5601 df-we 5603 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-pred 6289 df-ord 6350 df-on 6351 df-lim 6352 df-suc 6353 df-iota 6478 df-fun 6524 df-fn 6525 df-f 6526 df-f1 6527 df-fo 6528 df-f1o 6529 df-fv 6530 df-ov 7400 df-om 7848 df-2nd 7972 df-frecs 8263 df-wrecs 8294 df-recs 8343 df-rdg 8382 df-neg 11418 df-nn 12212 df-2 12281 df-3 12282 df-4 12283 df-z 12570 |
| This theorem is referenced by: fz0to4untppr 13636 fzo0to42pr 13760 fzo1to4tp 13761 iexpcyc 14221 sqoddm1div8 14257 4bc2eq6 14343 ef01bndlem 16217 sin01bnd 16218 cos01bnd 16219 4dvdseven 16408 flodddiv4lt 16452 6gcd4e2 16573 6lcm4e12 16651 lcmf2a3a4e12 16682 ge2nprmge4 16737 prm23lt5 16851 1259lem3 17170 ppiub 27269 bclbnd 27345 bposlem6 27354 bposlem9 27357 lgsdir2lem2 27391 m1lgs 27453 2lgsoddprmlem2 27474 chebbnd1lem2 27535 chebbnd1lem3 27536 pntlema 27661 pntlemb 27662 ex-ind-dvds 30664 hgt750lemd 34943 3lexlogpow5ineq5 42678 aks4d1p1p7 42692 aks4d1p1p5 42693 aks4d1p1 42694 flt4lem7 43242 inductionexd 44732 wallispi2lem1 46646 goldratmolem2 47481 fmtno4prmfac 48182 31prm 48207 mod42tp1mod8 48212 nprmdvdsfacm1 48234 8even 48336 341fppr2 48357 4fppr1 48358 9fppr8 48360 fpprel2 48364 sbgoldbo 48410 nnsum3primesle9 48417 nnsum4primeseven 48423 nnsum4primesevenALTV 48424 tgblthelfgott 48438 gpg5nbgr3star 48704 gpgprismgr4cycllem9 48726 zlmodzxzequa 49119 zlmodzxznm 49120 zlmodzxzequap 49122 zlmodzxzldeplem3 49125 zlmodzxzldep 49127 ldepsnlinclem1 49128 ldepsnlinc 49131 |
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