Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
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 8192 | . 2 ⊢ 𝐴 ∈ ℝ |
3 | 2 | recni 7039 | 1 ⊢ 𝐴 ∈ ℂ |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 1393 ℂcc 6887 ℕ0cn0 8181 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 ax-sep 3875 ax-cnex 6975 ax-resscn 6976 ax-1re 6978 ax-addrcl 6981 ax-rnegex 6993 |
This theorem depends on definitions: df-bi 110 df-tru 1246 df-nf 1350 df-sb 1646 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ral 2311 df-rex 2312 df-v 2559 df-un 2922 df-in 2924 df-ss 2931 df-sn 3381 df-int 3616 df-inn 7915 df-n0 8182 |
This theorem is referenced by: nn0le2xi 8232 num0u 8376 num0h 8377 numsuc 8379 numsucc 8393 numma 8398 nummac 8399 numma2c 8400 numadd 8401 numaddc 8402 nummul1c 8403 nummul2c 8404 decaddi 8411 decaddci 8412 6p5lem 8416 4t3lem 8438 6t5e30 8447 7t3e21 8450 7t6e42 8453 8t3e24 8456 8t4e32 8457 8t8e64 8461 9t3e27 8463 9t4e36 8464 9t5e45 8465 9t6e54 8466 9t7e63 8467 decbin0 8470 decbin2 8471 |
Copyright terms: Public domain | W3C validator |