| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > 10nn | Structured version Visualization version GIF version | ||
| Description: 10 is a positive integer. (Contributed by NM, 8-Nov-2012.) (Revised by AV, 6-Sep-2021.) |
| Ref | Expression |
|---|---|
| 10nn | ⊢ ;10 ∈ ℕ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 9p1e10 12820 | . 2 ⊢ (9 + 1) = ;10 | |
| 2 | 9nn 12445 | . . 3 ⊢ 9 ∈ ℕ | |
| 3 | peano2nn 12351 | . . 3 ⊢ (9 ∈ ℕ → (9 + 1) ∈ ℕ) | |
| 4 | 2, 3 | ax-mp 5 | . 2 ⊢ (9 + 1) ∈ ℕ |
| 5 | 1, 4 | eqeltrri 2857 | 1 ⊢ ;10 ∈ ℕ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2144 (class class class)co 7421 0cc0 11204 1c1 11205 + caddc 11207 ℕcn 12339 9c9 12408 ;cdc 12818 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-ov 7424 df-om 7879 df-2nd 8003 df-frecs 8303 df-wrecs 8334 df-recs 8383 df-rdg 8422 df-er 8721 df-en 8978 df-dom 8979 df-sdom 8980 df-pnf 11349 df-mnf 11350 df-ltxr 11352 df-nn 12340 df-2 12409 df-3 12410 df-4 12411 df-5 12412 df-6 12413 df-7 12414 df-8 12415 df-9 12416 df-dec 12819 |
| This theorem is used by: 10pos 12839 decnncl2 12847 declt 12851 decltc 12852 declti 12861 dec10p 12866 3dec 14414 3dvds 16507 163prm 17309 631prm 17311 plendx 17543 pleid 17544 plendxnn 17545 otpsstr 17553 odrngstr 17580 imasvalstr 17628 ipostr 18709 cnfldstr 21686 bclbnd 27613 angmgmlem 29401 angmgmbas 29404 ex-prmo 31066 rpdp2cl 33495 dp2ltsuc 33499 dpmul10 33508 decdiv10 33509 dpmul100 33510 dp3mul10 33511 dpadd2 33523 dpadd 33524 dpadd3 33525 dpmul 33526 dpmul4 33527 idlsrgstr 34081 hgt750lem 35327 tgoldbachgt 35339 60gcd6e6 43148 aks4d1p1p7 43218 rmydioph 44115 sin5tlem5 48017 1t10e1p1e11 48474 257prm 48740 127prm 48778 3exp4mod41 48795 41prothprmlem1 48796 bgoldbtbndlem1 48997 bgoldbachlt 49005 tgblthelfgott 49007 tgoldbachlt 49008 |
| Copyright terms: Public domain | W3C validator |