| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > 1nn0 | GIF version | ||
| Description: 1 is a nonnegative integer. (Contributed by Raph Levien, 10-Dec-2002.) |
| Ref | Expression |
|---|---|
| 1nn0 | ⊢ 1 ∈ ℕ0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1nn 9153 | . 2 ⊢ 1 ∈ ℕ | |
| 2 | 1 | nnnn0i 9409 | 1 ⊢ 1 ∈ ℕ0 |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 1c1 8032 ℕ0cn0 9401 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 ax-1re 8125 |
| This theorem depends on definitions: df-bi 117 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-v 2804 df-un 3204 df-in 3206 df-ss 3213 df-int 3929 df-inn 9143 df-n0 9402 |
| This theorem is referenced by: peano2nn0 9441 deccl 9624 10nn0 9627 numsucc 9649 numadd 9656 numaddc 9657 11multnc 9677 6p5lem 9679 6p6e12 9683 7p5e12 9686 8p4e12 9691 9p2e11 9696 9p3e12 9697 10p10e20 9704 4t4e16 9708 5t2e10 9709 5t4e20 9711 6t3e18 9714 6t4e24 9715 7t3e21 9719 7t4e28 9720 8t3e24 9725 9t3e27 9732 9t9e81 9738 nn01to3 9850 fz0to3un2pr 10357 elfzom1elp1fzo 10446 fzo0sn0fzo1 10465 fldiv4lem1div2 10566 1tonninf 10702 expn1ap0 10810 nn0expcl 10814 sqval 10858 sq10 10973 nn0opthlem1d 10981 fac2 10992 bccl 11028 hashsng 11059 1elfz0hash 11069 snopiswrd 11122 wrdred1hash 11156 pfx1 11283 s3fv1g 11372 bcxmas 12049 arisum 12058 geoisum1 12079 geoisum1c 12080 cvgratnnlemsumlt 12088 mertenslem2 12096 fprodnn0cl 12172 ege2le3 12231 ef4p 12254 efgt1p2 12255 efgt1p 12256 sin01gt0 12322 dvds1 12413 3dvds2dec 12426 5ndvds6 12495 bitsmod 12516 bitsinv1lem 12521 isprm5 12713 pcelnn 12893 pockthg 12929 dec5nprm 12986 dec2nprm 12987 modxp1i 12990 2exp8 13007 2exp11 13008 2exp16 13009 2expltfac 13011 ennnfonelemhom 13035 ocndx 13293 ocid 13294 basendxnocndx 13295 plendxnocndx 13296 dsndx 13297 dsid 13298 dsslid 13299 dsndxnn 13300 basendxltdsndx 13301 slotsdifdsndx 13307 unifndx 13308 unifid 13309 unifndxnn 13310 basendxltunifndx 13311 slotsdifunifndx 13314 homndx 13315 homid 13316 homslid 13317 ccondx 13318 ccoid 13319 ccoslid 13320 imasvalstrd 13352 prdsvalstrd 13353 cnfldstr 14571 dveflem 15449 plyid 15469 1sgmprm 15717 perfectlem1 15722 perfectlem2 15723 2lgslem3a 15821 2lgslem3c 15823 edgfid 15856 edgfndx 15857 edgfndxnn 15858 basendxltedgfndx 15860 clwwlkccatlem 16250 umgr2cwwkdifex 16275 1kp2ke3k 16320 ex-exp 16323 ex-fac 16324 012of 16592 isomninnlem 16634 trilpolemisumle 16642 iswomninnlem 16653 iswomni0 16655 ismkvnnlem 16656 |
| Copyright terms: Public domain | W3C validator |