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| Mirrors > Home > ILE Home > Th. List > 2mulicn | GIF version | ||
| Description: (2 · i) ∈ ℂ (common case). (Contributed by David A. Wheeler, 8-Dec-2018.) |
| Ref | Expression |
|---|---|
| 2mulicn | ⊢ (2 · i) ∈ ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2cn 9213 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | ax-icn 8126 | . 2 ⊢ i ∈ ℂ | |
| 3 | 1, 2 | mulcli 8183 | 1 ⊢ (2 · i) ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 (class class class)co 6017 ℂcc 8029 ici 8033 · cmul 8036 2c2 9193 |
| 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 8123 ax-1re 8125 ax-icn 8126 ax-addrcl 8128 ax-mulcl 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 9201 |
| This theorem is referenced by: 2muline0 9368 imval2 11454 sinval 12262 sinf 12264 sinneg 12286 efival 12292 sinadd 12296 sincn 15492 |
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