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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 9412 | . 2 ⊢ 𝐴 ∈ ℝ |
| 3 | 2 | recni 8190 | 1 ⊢ 𝐴 ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 ℂcc 8029 ℕ0cn0 9401 |
| 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 8122 ax-resscn 8123 ax-1re 8125 ax-addrcl 8128 ax-rnegex 8140 |
| 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 9143 df-n0 9402 |
| This theorem is referenced by: nn0le2xi 9451 num0u 9620 num0h 9621 numsuc 9623 numsucc 9649 numma 9653 nummac 9654 numma2c 9655 numadd 9656 numaddc 9657 nummul1c 9658 nummul2c 9659 decrmanc 9666 decrmac 9667 decaddi 9669 decaddci 9670 decsubi 9672 decmul1 9673 decmulnc 9676 11multnc 9677 decmul10add 9678 6p5lem 9679 4t3lem 9706 7t3e21 9719 7t6e42 9722 8t3e24 9725 8t4e32 9726 8t8e64 9730 9t3e27 9732 9t4e36 9733 9t5e45 9734 9t6e54 9735 9t7e63 9736 9t11e99 9739 decbin0 9749 decbin2 9750 sq10 10973 3dec 10975 cats1fvn 11344 3dvdsdec 12425 3dvds2dec 12426 3lcm2e6 12731 dec5dvds 12984 dec5dvds2 12985 dec2nprm 12987 modxai 12988 mod2xi 12989 modsubi 12991 gcdi 12992 numexp0 12994 numexp1 12995 numexpp1 12996 numexp2x 12997 decsplit0b 12998 decsplit0 12999 decsplit1 13000 decsplit 13001 karatsuba 13002 2exp8 13007 |
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