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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 11705 | . 2 ⊢ 6 = (5 + 1) | |
2 | 5nn 11724 | . . 3 ⊢ 5 ∈ ℕ | |
3 | peano2nn 11650 | . . 3 ⊢ (5 ∈ ℕ → (5 + 1) ∈ ℕ) | |
4 | 2, 3 | ax-mp 5 | . 2 ⊢ (5 + 1) ∈ ℕ |
5 | 1, 4 | eqeltri 2909 | 1 ⊢ 6 ∈ ℕ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2114 (class class class)co 7156 1c1 10538 + caddc 10540 ℕcn 11638 5c5 11696 6c6 11697 |
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 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-1cn 10595 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-ov 7159 df-om 7581 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-nn 11639 df-2 11701 df-3 11702 df-4 11703 df-5 11704 df-6 11705 |
This theorem is referenced by: 7nn 11730 6nn0 11919 ef01bndlem 15537 sin01bnd 15538 cos01bnd 15539 6gcd4e2 15886 6lcm4e12 15960 83prm 16456 139prm 16457 163prm 16458 prmo6 16463 vscandx 16634 vscaid 16635 lmodstr 16636 ipsstr 16643 ressvsca 16651 lt6abl 19015 psrvalstr 20143 opsrvsca 20262 tngvsca 23255 sincos3rdpi 25102 1cubrlem 25419 quart1cl 25432 quart1lem 25433 quart1 25434 log2ub 25527 log2le1 25528 basellem5 25662 basellem8 25665 basellem9 25666 ppiublem1 25778 ppiublem2 25779 ppiub 25780 bpos1 25859 bposlem9 25868 itvndx 26226 itvid 26228 trkgstr 26230 ttgval 26661 ttglem 26662 ttgvsca 26666 ttgds 26667 eengstr 26766 ex-cnv 28216 ex-dm 28218 ex-dvds 28235 ex-gcd 28236 ex-lcm 28237 resvvsca 30907 hgt750lem 31922 rmydioph 39631 expdiophlem2 39639 algstr 39797 139prmALT 43779 31prm 43780 127prm 43783 6even 43896 gbowge7 43948 stgoldbwt 43961 sbgoldbwt 43962 mogoldbb 43970 sbgoldbo 43972 nnsum3primesle9 43979 nnsum4primeseven 43985 wtgoldbnnsum4prm 43987 bgoldbnnsum3prm 43989 zlmodzxzequa 44571 zlmodzxznm 44572 zlmodzxzequap 44574 zlmodzxzldeplem3 44577 zlmodzxzldep 44579 ldepsnlinclem2 44581 ldepsnlinc 44583 |
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