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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 9227 | . 2 ⊢ 5 ∈ ℝ | |
| 2 | 1 | recni 8196 | 1 ⊢ 5 ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2201 ℂcc 8035 5c5 9202 |
| 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 2212 ax-resscn 8129 ax-1re 8131 ax-addrcl 8134 |
| This theorem depends on definitions: df-bi 117 df-nf 1509 df-sb 1810 df-clab 2217 df-cleq 2223 df-clel 2226 df-in 3205 df-ss 3212 df-2 9207 df-3 9208 df-4 9209 df-5 9210 |
| This theorem is referenced by: 6m1e5 9271 5p2e7 9295 5p3e8 9296 5p4e9 9297 5p5e10 9686 5t2e10 9715 5recm6rec 9759 ef01bndlem 12340 5ndvds3 12518 5ndvds6 12519 dec5dvds 13008 dec5nprm 13010 2exp11 13032 2exp16 13033 lgsdir2lem1 15786 2lgslem3c 15853 2lgsoddprmlem3d 15868 ex-fac 16381 |
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