| 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 12212 | . 2 ⊢ 6 = (5 + 1) | |
| 2 | 5nn 12231 | . . 3 ⊢ 5 ∈ ℕ | |
| 3 | peano2nn 12157 | . . 3 ⊢ (5 ∈ ℕ → (5 + 1) ∈ ℕ) | |
| 4 | 2, 3 | ax-mp 5 | . 2 ⊢ (5 + 1) ∈ ℕ |
| 5 | 1, 4 | eqeltri 2832 | 1 ⊢ 6 ∈ ℕ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2113 (class class class)co 7358 1c1 11027 + caddc 11029 ℕcn 12145 5c5 12203 6c6 12204 |
| 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 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pr 5377 ax-un 7680 ax-1cn 11084 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3061 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-ov 7361 df-om 7809 df-2nd 7934 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-nn 12146 df-2 12208 df-3 12209 df-4 12210 df-5 12211 df-6 12212 |
| This theorem is referenced by: 7nn 12237 6nn0 12422 ef01bndlem 16109 sin01bnd 16110 cos01bnd 16111 6gcd4e2 16465 6lcm4e12 16543 83prm 17050 139prm 17051 163prm 17052 prmo6 17057 vscandx 17239 vscaid 17240 lmodstr 17245 ipsstr 17256 lt6abl 19824 psrvalstr 21872 sincos3rdpi 26482 1cubrlem 26807 quart1cl 26820 quart1lem 26821 quart1 26822 log2ub 26915 log2le1 26916 basellem5 27051 basellem8 27054 basellem9 27055 ppiublem1 27169 ppiublem2 27170 ppiub 27171 bpos1 27250 bposlem9 27259 itvndx 28509 itvid 28511 slotsinbpsd 28513 lngndxnitvndx 28515 trkgstr 28516 eengstr 29053 ex-cnv 30512 ex-dm 30514 ex-dvds 30531 ex-gcd 30532 ex-lcm 30533 hgt750lem 34808 60gcd6e6 42258 60gcd7e1 42259 12lcm5e60 42262 60lcm6e60 42263 60lcm7e420 42264 lcm6un 42272 lcmineqlem 42306 3lexlogpow5ineq1 42308 aks4d1p1p5 42329 aks4d1p1 42330 6ne0 42516 rmydioph 43256 expdiophlem2 43264 algstr 43415 139prmALT 47842 31prm 47843 127prm 47845 6even 47957 gbowge7 48009 stgoldbwt 48022 sbgoldbwt 48023 mogoldbb 48031 sbgoldbo 48033 nnsum3primesle9 48040 nnsum4primeseven 48046 wtgoldbnnsum4prm 48048 bgoldbnnsum3prm 48050 zlmodzxzequa 48742 zlmodzxznm 48743 zlmodzxzequap 48745 zlmodzxzldeplem3 48748 zlmodzxzldep 48750 ldepsnlinclem2 48752 ldepsnlinc 48754 |
| Copyright terms: Public domain | W3C validator |