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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 9256 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | ax-icn 8170 | . 2 ⊢ i ∈ ℂ | |
| 3 | 1, 2 | mulcli 8227 | 1 ⊢ (2 · i) ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 (class class class)co 6028 ℂcc 8073 ici 8077 · cmul 8080 2c2 9236 |
| 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 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-11 1555 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2213 ax-resscn 8167 ax-1re 8169 ax-icn 8170 ax-addrcl 8172 ax-mulcl 8173 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-in 3207 df-ss 3214 df-2 9244 |
| This theorem is referenced by: 2muline0 9411 imval2 11517 sinval 12326 sinf 12328 sinneg 12350 efival 12356 sinadd 12360 sincn 15563 |
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