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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 9574 |
. 2
|
| 3 | 2 | recni 8338 |
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 8270 ax-resscn 8271 ax-1re 8273 ax-addrcl 8276 ax-rnegex 8288 |
| 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 9305 df-n0 9564 |
| This theorem is used by: nn0le2xi 9613 num0u 9787 num0h 9788 numsuc 9790 numsucc 9816 numma 9820 nummac 9821 numma2c 9822 numadd 9823 numaddc 9824 nummul1c 9825 nummul2c 9826 decrmanc 9833 decrmac 9834 decaddi 9836 decaddci 9837 decsubi 9839 decmul1 9840 decmulnc 9843 11multnc 9844 decmul10add 9845 6p5lem 9846 4t3lem 9873 7t3e21 9886 7t6e42 9889 8t3e24 9892 8t4e32 9893 8t8e64 9897 9t3e27 9899 9t4e36 9900 9t5e45 9901 9t6e54 9902 9t7e63 9903 9t11e99 9906 decbin0 9916 decbin2 9917 sq10 11150 3dec 11152 cats1fvn 11536 3dvdsdec 12632 3dvds2dec 12633 3lcm2e6 12938 dec5dvds 13191 dec5dvds2 13192 dec2nprm 13194 modxai 13195 mod2xi 13196 modsubi 13198 gcdi 13199 numexp0 13201 numexp1 13202 numexpp1 13203 numexp2x 13204 decsplit0b 13205 decsplit0 13206 decsplit1 13207 decsplit 13208 karatsuba 13209 2exp8 13214 ballotfilemth 13281 log2ublem1 16083 log2ublem2 16084 log2ublem3 16085 log2ublog2 16086 birthdaylog2 16090 |
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