| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > 5nn | Structured version Visualization version GIF version | ||
| Description: 5 is a positive integer. (Contributed by Mario Carneiro, 15-Sep-2013.) |
| Ref | Expression |
|---|---|
| 5nn | ⊢ 5 ∈ ℕ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-5 12211 | . 2 ⊢ 5 = (4 + 1) | |
| 2 | 4nn 12228 | . . 3 ⊢ 4 ∈ ℕ | |
| 3 | peano2nn 12157 | . . 3 ⊢ (4 ∈ ℕ → (4 + 1) ∈ ℕ) | |
| 4 | 2, 3 | ax-mp 5 | . 2 ⊢ (4 + 1) ∈ ℕ |
| 5 | 1, 4 | eqeltri 2832 | 1 ⊢ 5 ∈ ℕ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2113 (class class class)co 7358 1c1 11027 + caddc 11029 ℕcn 12145 4c4 12202 5c5 12203 |
| 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 |
| This theorem is referenced by: 6nn 12234 5nn0 12421 5eluz3 12796 5ndvds3 16340 5ndvds6 16341 prm23ge5 16743 dec5dvds 16992 dec5nprm 16994 dec2nprm 16995 5prm 17036 10nprm 17041 23prm 17046 prmlem2 17047 43prm 17049 83prm 17050 317prm 17053 prmo5 17056 scandx 17234 scaid 17235 lmodstr 17245 ipsstr 17256 ccondx 17333 ccoid 17334 slotsbhcdif 17335 slotsdifplendx2 17336 slotsdifocndx 17337 prdsvalstr 17372 catstr 17884 lt6abl 19824 psrvalstr 21872 log2ublem1 26912 log2ublem2 26913 log2ub 26915 birthday 26920 ppiublem1 27169 ppiublem2 27170 ppiub 27171 bclbnd 27247 bposlem3 27253 bposlem4 27254 bposlem5 27255 bposlem6 27256 bposlem8 27258 bposlem9 27259 lgsdir2lem3 27294 ex-eprel 30508 ex-xp 30511 fib6 34563 hgt750lem2 34809 hgt750leme 34815 12gcd5e1 42257 12lcm5e60 42262 lcm5un 42271 lcmineqlem 42306 3lexlogpow5ineq1 42308 3lexlogpow2ineq1 42312 3lexlogpow2ineq2 42313 3lexlogpow5ineq5 42314 aks4d1p1p6 42327 aks4d1p1 42330 5ne0 42515 rmydioph 43256 expdiophlem2 43264 algstr 43415 inductionexd 44396 plusmod5ne 47591 minusmod5ne 47595 minusmodnep2tmod 47599 8mod5e3 47606 257prm 47807 fmtno4prmfac193 47819 31prm 47843 41prothprm 47865 gbowge7 48009 gbege6 48011 stgoldbwt 48022 sbgoldbwt 48023 sbgoldbm 48030 sbgoldbo 48033 nnsum3primesle9 48040 gpg5order 48306 gpg5nbgrvtx13starlem1 48317 gpg5nbgrvtx13starlem2 48318 gpg5nbgrvtx13starlem3 48319 gpg5nbgr3star 48327 gpg5grlim 48339 pgnioedg1 48354 pgnioedg2 48355 pgnioedg3 48356 pgnioedg4 48357 pgnbgreunbgrlem1 48359 pgnbgreunbgrlem2lem1 48360 pgnbgreunbgrlem2lem2 48361 pgnbgreunbgrlem2lem3 48362 pgnbgreunbgrlem4 48365 gpg5edgnedg 48376 grlimedgnedg 48377 |
| Copyright terms: Public domain | W3C validator |