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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 9260 | 
. 2
 | 
| 3 | 2 | recni 8038 | 
1
 | 
| Colors of variables: wff set class | 
| Syntax hints:     | 
| 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 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-ext 2178 ax-sep 4151 ax-cnex 7970 ax-resscn 7971 ax-1re 7973 ax-addrcl 7976 ax-rnegex 7988 | 
| This theorem depends on definitions: df-bi 117 df-tru 1367 df-nf 1475 df-sb 1777 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-v 2765 df-un 3161 df-in 3163 df-ss 3170 df-sn 3628 df-int 3875 df-inn 8991 df-n0 9250 | 
| This theorem is referenced by: nn0le2xi 9299 num0u 9467 num0h 9468 numsuc 9470 numsucc 9496 numma 9500 nummac 9501 numma2c 9502 numadd 9503 numaddc 9504 nummul1c 9505 nummul2c 9506 decrmanc 9513 decrmac 9514 decaddi 9516 decaddci 9517 decsubi 9519 decmul1 9520 decmulnc 9523 11multnc 9524 decmul10add 9525 6p5lem 9526 4t3lem 9553 7t3e21 9566 7t6e42 9569 8t3e24 9572 8t4e32 9573 8t8e64 9577 9t3e27 9579 9t4e36 9580 9t5e45 9581 9t6e54 9582 9t7e63 9583 9t11e99 9586 decbin0 9596 decbin2 9597 sq10 10804 3dec 10806 3dvdsdec 12030 3dvds2dec 12031 3lcm2e6 12328 dec5dvds 12581 dec5dvds2 12582 dec2nprm 12584 modxai 12585 mod2xi 12586 modsubi 12588 gcdi 12589 numexp0 12591 numexp1 12592 numexpp1 12593 numexp2x 12594 decsplit0b 12595 decsplit0 12596 decsplit1 12597 decsplit 12598 karatsuba 12599 2exp8 12604 | 
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