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| Mirrors > Home > ILE Home > Th. List > nn0cni | GIF version | ||
| Description: A nonnegative integer is a complex number. (Contributed by NM, 14-May-2003.) |
| Ref | Expression |
|---|---|
| nn0re.1 | ⊢ 𝐴 ∈ ℕ0 |
| Ref | Expression |
|---|---|
| nn0cni | ⊢ 𝐴 ∈ ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nn0re.1 | . . 3 ⊢ 𝐴 ∈ ℕ0 | |
| 2 | 1 | nn0rei 9413 | . 2 ⊢ 𝐴 ∈ ℝ |
| 3 | 2 | recni 8191 | 1 ⊢ 𝐴 ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 ℂcc 8030 ℕ0cn0 9402 |
| 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-sep 4207 ax-cnex 8123 ax-resscn 8124 ax-1re 8126 ax-addrcl 8129 ax-rnegex 8141 |
| 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-rex 2516 df-v 2804 df-un 3204 df-in 3206 df-ss 3213 df-sn 3675 df-int 3929 df-inn 9144 df-n0 9403 |
| This theorem is referenced by: nn0le2xi 9452 num0u 9621 num0h 9622 numsuc 9624 numsucc 9650 numma 9654 nummac 9655 numma2c 9656 numadd 9657 numaddc 9658 nummul1c 9659 nummul2c 9660 decrmanc 9667 decrmac 9668 decaddi 9670 decaddci 9671 decsubi 9673 decmul1 9674 decmulnc 9677 11multnc 9678 decmul10add 9679 6p5lem 9680 4t3lem 9707 7t3e21 9720 7t6e42 9723 8t3e24 9726 8t4e32 9727 8t8e64 9731 9t3e27 9733 9t4e36 9734 9t5e45 9735 9t6e54 9736 9t7e63 9737 9t11e99 9740 decbin0 9750 decbin2 9751 sq10 10975 3dec 10977 cats1fvn 11349 3dvdsdec 12431 3dvds2dec 12432 3lcm2e6 12737 dec5dvds 12990 dec5dvds2 12991 dec2nprm 12993 modxai 12994 mod2xi 12995 modsubi 12997 gcdi 12998 numexp0 13000 numexp1 13001 numexpp1 13002 numexp2x 13003 decsplit0b 13004 decsplit0 13005 decsplit1 13006 decsplit 13007 karatsuba 13008 2exp8 13013 |
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