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| Mirrors > Home > ILE Home > Th. List > nnzi | Unicode version | ||
| Description: A positive integer is an integer. (Contributed by Mario Carneiro, 18-Feb-2014.) |
| Ref | Expression |
|---|---|
| nnzi.1 |
|
| Ref | Expression |
|---|---|
| nnzi |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnssz 9670 |
. 2
| |
| 2 | nnzi.1 |
. 2
| |
| 3 | 1, 2 | sselii 3245 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8276 ax-resscn 8277 ax-1cn 8278 ax-1re 8279 ax-icn 8280 ax-addcl 8281 ax-addrcl 8282 ax-mulcl 8283 ax-addcom 8285 ax-addass 8287 ax-distr 8289 ax-i2m1 8290 ax-0lt1 8291 ax-0id 8293 ax-rnegex 8294 ax-cnre 8296 ax-pre-ltirr 8297 ax-pre-ltwlin 8298 ax-pre-lttrn 8299 ax-pre-ltadd 8301 |
| This proof depends on definitions: df-bi 117 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4132 df-opab 4194 df-id 4440 df-xp 4782 df-rel 4783 df-cnv 4784 df-co 4785 df-dm 4786 df-iota 5340 df-fun 5382 df-fv 5388 df-riota 6041 df-ov 6091 df-oprab 6092 df-mpo 6093 df-pnf 8368 df-mnf 8369 df-xr 8370 df-ltxr 8371 df-le 8372 df-sub 8506 df-neg 8507 df-inn 9314 df-z 9654 |
| This theorem is used by: 1z 9679 2z 9681 3z 9682 4z 9683 5eluz3 9976 3dvds 12655 3dvdsdec 12656 ndvdsi 12724 6gcd4e2 12796 3lcm2e6woprm 12888 6lcm4e12 12889 3lcm2e6 12963 prm23ge5 13071 pockthi 13165 modxai 13223 mod2xnegi 13226 gcdmodi 13229 prmlem1 13250 prmlem2 13262 ballotfilemofi 13276 ballotfilem1 13277 ballotfilemonn 13278 ballotfilem2 13285 ballotfilemfmpn 13291 ballotfilemefi 13294 ballotfilemodife 13297 ballotfilemiex 13301 ballotfilemsval 13309 ballotfilemsdom 13312 ballotfilemsel1i 13313 ballotfilemsima 13316 ballotfilemrval 13318 ballotfilemfrceq 13329 ballotfilemfrcn0 13330 bassetsnn 13466 strleun 13516 strle1g 13518 2logb9irr 16224 2logb9irrap 16230 birthdaylog2 16245 ppiublem1 16308 ppiublem2 16309 ppiqub 16310 bpos1lem 16326 bposlem6 16333 bposlem8 16335 bposlem9 16336 lgsval 16345 lgsfvalg 16346 lgsfcl2 16347 lgsval2lem 16351 lgsdir2lem5 16373 lgsdir2 16374 lgsne0 16379 2lgs 16445 2lgsoddprmlem2 16447 2lgsoddprm 16454 ex-dvds 16966 ex-gcd 16967 |
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