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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 9391 | . 2 ⊢ 𝐴 ∈ ℝ |
| 3 | 2 | recni 8169 | 1 ⊢ 𝐴 ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2200 ℂcc 8008 ℕ0cn0 9380 |
| 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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 ax-sep 4202 ax-cnex 8101 ax-resscn 8102 ax-1re 8104 ax-addrcl 8107 ax-rnegex 8119 |
| This theorem depends on definitions: df-bi 117 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2801 df-un 3201 df-in 3203 df-ss 3210 df-sn 3672 df-int 3924 df-inn 9122 df-n0 9381 |
| This theorem is referenced by: nn0le2xi 9430 num0u 9599 num0h 9600 numsuc 9602 numsucc 9628 numma 9632 nummac 9633 numma2c 9634 numadd 9635 numaddc 9636 nummul1c 9637 nummul2c 9638 decrmanc 9645 decrmac 9646 decaddi 9648 decaddci 9649 decsubi 9651 decmul1 9652 decmulnc 9655 11multnc 9656 decmul10add 9657 6p5lem 9658 4t3lem 9685 7t3e21 9698 7t6e42 9701 8t3e24 9704 8t4e32 9705 8t8e64 9709 9t3e27 9711 9t4e36 9712 9t5e45 9713 9t6e54 9714 9t7e63 9715 9t11e99 9718 decbin0 9728 decbin2 9729 sq10 10946 3dec 10948 cats1fvn 11311 3dvdsdec 12391 3dvds2dec 12392 3lcm2e6 12697 dec5dvds 12950 dec5dvds2 12951 dec2nprm 12953 modxai 12954 mod2xi 12955 modsubi 12957 gcdi 12958 numexp0 12960 numexp1 12961 numexpp1 12962 numexp2x 12963 decsplit0b 12964 decsplit0 12965 decsplit1 12966 decsplit 12967 karatsuba 12968 2exp8 12973 |
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