| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > 6nn | Structured version Visualization version GIF version | ||
| Description: 6 is a positive integer. (Contributed by Mario Carneiro, 15-Sep-2013.) |
| Ref | Expression |
|---|---|
| 6nn | ⊢ 6 ∈ ℕ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-6 12303 | . 2 ⊢ 6 = (5 + 1) | |
| 2 | 5nn 12323 | . . 3 ⊢ 5 ∈ ℕ | |
| 3 | peano2nn 12241 | . . 3 ⊢ (5 ∈ ℕ → (5 + 1) ∈ ℕ) | |
| 4 | 2, 3 | ax-mp 5 | . 2 ⊢ (5 + 1) ∈ ℕ |
| 5 | 1, 4 | eqeltri 2865 | 1 ⊢ 6 ∈ ℕ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2149 (class class class)co 7408 1c1 11097 + caddc 11099 ℕcn 12229 5c5 12294 6c6 12295 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5258 ax-nul 5268 ax-pr 5402 ax-un 7730 ax-1cn 11154 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-iun 4959 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 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 7411 df-om 7859 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-nn 12230 df-2 12299 df-3 12300 df-4 12301 df-5 12302 df-6 12303 |
| This theorem is referenced by: 7nn 12329 6pos 12350 6nn0 12521 ef01bndlem 16236 sin01bnd 16237 cos01bnd 16238 6gcd4e2 16592 6lcm4e12 16670 83prm 17179 139prm 17180 163prm 17181 prmo6 17186 vscandx 17368 vscaid 17369 lmodstr 17374 ipsstr 17385 lt6abl 19961 psrvalstr 22031 sincos3rdpi 26644 1cubrlem 26968 quart1cl 26981 quart1lem 26982 quart1 26983 log2ub 27076 log2le1 27077 basellem5 27211 basellem8 27214 basellem9 27215 ppiublem1 27328 ppiublem2 27329 ppiub 27330 bpos1 27409 bposlem9 27418 itvndx 28668 itvid 28670 slotsinbpsd 28672 lngndxnitvndx 28674 trkgstr 28675 eengstr 29267 ex-cnv 30725 ex-dm 30727 ex-dvds 30744 ex-gcd 30745 ex-lcm 30746 hgt750lem 34979 60gcd6e6 42656 60gcd7e1 42657 12lcm5e60 42660 60lcm6e60 42661 60lcm7e420 42662 lcm6un 42670 lcmineqlem 42704 3lexlogpow5ineq1 42706 aks4d1p1p5 42727 aks4d1p1 42728 6ne0 42911 rmydioph 43626 expdiophlem2 43634 algstr 43785 goldratmolem2 47505 139prmALT 48230 31prm 48231 127prm 48233 nprmdvdsfacm1lem4 48257 nprmdvdsfacm1 48258 ppivalnnnprmge6 48260 6even 48358 gbowge7 48410 stgoldbwt 48423 sbgoldbwt 48424 mogoldbb 48432 sbgoldbo 48434 nnsum3primesle9 48441 nnsum4primeseven 48447 wtgoldbnnsum4prm 48449 bgoldbnnsum3prm 48451 zlmodzxzequa 49154 zlmodzxznm 49155 zlmodzxzequap 49157 zlmodzxzldeplem3 49160 zlmodzxzldep 49162 ldepsnlinclem2 49164 ldepsnlinc 49166 |
| Copyright terms: Public domain | W3C validator |