Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
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 8791 | . 2 ⊢ 2 ∈ ℂ | |
2 | ax-icn 7715 | . 2 ⊢ i ∈ ℂ | |
3 | 1, 2 | mulcli 7771 | 1 ⊢ (2 · i) ∈ ℂ |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 1480 (class class class)co 5774 ℂcc 7618 ici 7622 · cmul 7625 2c2 8771 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-11 1484 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-resscn 7712 ax-1re 7714 ax-icn 7715 ax-addrcl 7717 ax-mulcl 7718 |
This theorem depends on definitions: df-bi 116 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-clel 2135 df-in 3077 df-ss 3084 df-2 8779 |
This theorem is referenced by: 2muline0 8945 imval2 10666 sinval 11409 sinf 11411 sinneg 11433 efival 11439 sinadd 11443 sincn 12858 |
Copyright terms: Public domain | W3C validator |