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| 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 12797 | . 2 ⊢ (9 + 1) = ;10 | |
| 2 | 9nn 12422 | . . 3 ⊢ 9 ∈ ℕ | |
| 3 | peano2nn 12328 | . . 3 ⊢ (9 ∈ ℕ → (9 + 1) ∈ ℕ) | |
| 4 | 2, 3 | ax-mp 5 | . 2 ⊢ (9 + 1) ∈ ℕ |
| 5 | 1, 4 | eqeltrri 2858 | 1 ⊢ ;10 ∈ ℕ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2145 (class class class)co 7412 0cc0 11181 1c1 11182 + caddc 11184 ℕcn 12316 9c9 12385 ;cdc 12795 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7740 ax-resscn 11238 ax-1cn 11239 ax-icn 11240 ax-addcl 11241 ax-addrcl 11242 ax-mulcl 11243 ax-mulrcl 11244 ax-mulcom 11245 ax-addass 11246 ax-mulass 11247 ax-distr 11248 ax-i2m1 11249 ax-1ne0 11250 ax-1rid 11251 ax-rnegex 11252 ax-rrecex 11253 ax-cnre 11254 ax-pre-lttri 11255 ax-pre-lttrn 11256 ax-pre-ltadd 11257 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6297 df-ord 6358 df-on 6359 df-lim 6360 df-suc 6361 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-ov 7415 df-om 7867 df-2nd 7991 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-er 8701 df-en 8958 df-dom 8959 df-sdom 8960 df-pnf 11326 df-mnf 11327 df-ltxr 11329 df-nn 12317 df-2 12386 df-3 12387 df-4 12388 df-5 12389 df-6 12390 df-7 12391 df-8 12392 df-9 12393 df-dec 12796 |
| This theorem is used by: 10pos 12816 decnncl2 12824 declt 12828 decltc 12829 declti 12838 dec10p 12843 3dec 14390 3dvds 16481 163prm 17283 631prm 17285 plendx 17517 pleid 17518 plendxnn 17519 otpsstr 17527 odrngstr 17554 imasvalstr 17602 ipostr 18683 cnfldstr 21660 bclbnd 27589 angmgmlem 29377 angmgmbas 29380 ex-prmo 31042 rpdp2cl 33430 dp2ltsuc 33434 dpmul10 33443 decdiv10 33444 dpmul100 33445 dp3mul10 33446 dpadd2 33458 dpadd 33459 dpadd3 33460 dpmul 33461 dpmul4 33462 idlsrgstr 34016 hgt750lem 35263 tgoldbachgt 35275 60gcd6e6 43022 aks4d1p1p7 43092 rmydioph 43974 sin5tlem5 47867 1t10e1p1e11 48324 257prm 48590 127prm 48628 3exp4mod41 48645 41prothprmlem1 48646 bgoldbtbndlem1 48847 bgoldbachlt 48855 tgblthelfgott 48857 tgoldbachlt 48858 |
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