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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 9222 | . 2 ⊢ 5 ∈ ℝ | |
| 2 | 1 | recni 8191 | 1 ⊢ 5 ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 ℂcc 8030 5c5 9197 |
| 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 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-11 1554 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 ax-resscn 8124 ax-1re 8126 ax-addrcl 8129 |
| This theorem depends on definitions: df-bi 117 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-in 3206 df-ss 3213 df-2 9202 df-3 9203 df-4 9204 df-5 9205 |
| This theorem is referenced by: 6m1e5 9266 5p2e7 9290 5p3e8 9291 5p4e9 9292 5p5e10 9681 5t2e10 9710 5recm6rec 9754 ef01bndlem 12319 5ndvds3 12497 5ndvds6 12498 dec5dvds 12987 dec5nprm 12989 2exp11 13011 2exp16 13012 lgsdir2lem1 15760 2lgslem3c 15827 2lgsoddprmlem3d 15842 ex-fac 16341 |
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