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| Mirrors > Home > ILE Home > Th. List > nn0cni | Unicode version | ||
| Description: A nonnegative integer is a complex number. (Contributed by NM, 14-May-2003.) |
| Ref | Expression |
|---|---|
| nn0re.1 |
|
| Ref | Expression |
|---|---|
| nn0cni |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nn0re.1 |
. . 3
| |
| 2 | 1 | nn0rei 9579 |
. 2
|
| 3 | 2 | recni 8339 |
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-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-ext 2220 ax-sep 4249 ax-cnex 8271 ax-resscn 8272 ax-1re 8274 ax-addrcl 8277 ax-rnegex 8289 |
| This proof depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-sn 3715 df-int 3971 df-inn 9308 df-n0 9569 |
| This theorem is used by: nn0le2xi 9618 num0u 9792 num0h 9793 numsuc 9795 numsucc 9826 numma 9830 nummac 9831 numma2c 9832 numadd 9833 numaddc 9834 nummul1c 9835 nummul2c 9836 decrmanc 9843 decrmac 9844 decaddi 9846 decaddci 9847 decsubi 9849 decmul1 9850 decmulnc 9853 11multnc 9854 decmul10add 9855 6p5lem 9856 4t3lem 9883 7t3e21 9896 7t6e42 9899 8t3e24 9902 8t4e32 9903 8t8e64 9907 9t3e27 9909 9t4e36 9910 9t5e45 9911 9t6e54 9912 9t7e63 9913 9t11e99 9916 decbin0 9926 decbin2 9927 sq10 11166 3dec 11168 cats1fvn 11552 3dvdsdec 12651 3dvds2dec 12652 3lcm2e6 12958 dec5dvds 13214 dec5dvds2 13215 dec2nprm 13217 modxai 13218 mod2xi 13219 mod2xnegi 13221 modsubi 13222 gcdi 13223 numexp0 13225 numexp1 13226 numexpp1 13227 numexp2x 13228 decsplit0b 13229 decsplit0 13230 decsplit1 13231 decsplit 13232 karatsuba 13233 2exp8 13238 prmlem2 13257 139prm 13261 163prm 13262 631prm 13264 1259lem1 13265 1259lem2 13266 1259lem3 13267 1259lem4 13268 1259lem5 13269 1259prm 13270 ballotfilemth 13333 log2ublem1 16182 log2ublem2 16183 log2ublem3 16184 log2ublog2 16185 birthdaylog2 16189 bpos1lem 16270 |
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