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| Mirrors > Home > ILE Home > Th. List > 5cn | GIF version | ||
| Description: The number 5 is complex. (Contributed by David A. Wheeler, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| 5cn | ⊢ 5 ∈ ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 5re 9205 | . 2 ⊢ 5 ∈ ℝ | |
| 2 | 1 | recni 8174 | 1 ⊢ 5 ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2200 ℂcc 8013 5c5 9180 |
| 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-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-11 1552 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 ax-resscn 8107 ax-1re 8109 ax-addrcl 8112 |
| This theorem depends on definitions: df-bi 117 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-in 3203 df-ss 3210 df-2 9185 df-3 9186 df-4 9187 df-5 9188 |
| This theorem is referenced by: 6m1e5 9249 5p2e7 9273 5p3e8 9274 5p4e9 9275 5p5e10 9664 5t2e10 9693 5recm6rec 9737 ef01bndlem 12288 5ndvds3 12466 5ndvds6 12467 dec5dvds 12956 dec5nprm 12958 2exp11 12980 2exp16 12981 lgsdir2lem1 15728 2lgslem3c 15795 2lgsoddprmlem3d 15810 ex-fac 16201 |
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