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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 9455 | . 2 ⊢ 𝐴 ∈ ℝ |
| 3 | 2 | recni 8234 | 1 ⊢ 𝐴 ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 ℂcc 8073 ℕ0cn0 9444 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2213 ax-sep 4212 ax-cnex 8166 ax-resscn 8167 ax-1re 8169 ax-addrcl 8172 ax-rnegex 8184 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-v 2805 df-un 3205 df-in 3207 df-ss 3214 df-sn 3679 df-int 3934 df-inn 9186 df-n0 9445 |
| This theorem is referenced by: nn0le2xi 9494 num0u 9665 num0h 9666 numsuc 9668 numsucc 9694 numma 9698 nummac 9699 numma2c 9700 numadd 9701 numaddc 9702 nummul1c 9703 nummul2c 9704 decrmanc 9711 decrmac 9712 decaddi 9714 decaddci 9715 decsubi 9717 decmul1 9718 decmulnc 9721 11multnc 9722 decmul10add 9723 6p5lem 9724 4t3lem 9751 7t3e21 9764 7t6e42 9767 8t3e24 9770 8t4e32 9771 8t8e64 9775 9t3e27 9777 9t4e36 9778 9t5e45 9779 9t6e54 9780 9t7e63 9781 9t11e99 9784 decbin0 9794 decbin2 9795 sq10 11020 3dec 11022 cats1fvn 11394 3dvdsdec 12489 3dvds2dec 12490 3lcm2e6 12795 dec5dvds 13048 dec5dvds2 13049 dec2nprm 13051 modxai 13052 mod2xi 13053 modsubi 13055 gcdi 13056 numexp0 13058 numexp1 13059 numexpp1 13060 numexp2x 13061 decsplit0b 13062 decsplit0 13063 decsplit1 13064 decsplit 13065 karatsuba 13066 2exp8 13071 |
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