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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 9192 | . 2 ⊢ 2 ∈ ℂ | |
| 2 | ax-icn 8105 | . 2 ⊢ i ∈ ℂ | |
| 3 | 1, 2 | mulcli 8162 | 1 ⊢ (2 · i) ∈ ℂ |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2200 (class class class)co 6007 ℂcc 8008 ici 8012 · cmul 8015 2c2 9172 |
| 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 8102 ax-1re 8104 ax-icn 8105 ax-addrcl 8107 ax-mulcl 8108 |
| 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 9180 |
| This theorem is referenced by: 2muline0 9347 imval2 11420 sinval 12228 sinf 12230 sinneg 12252 efival 12258 sinadd 12262 sincn 15458 |
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