Metamath Proof Explorer
Description: Closure of a finite product of complex numbers. (Contributed by Scott
Fenton, 14-Dec-2017)
|
|
Ref |
Expression |
|
Hypotheses |
fprodcl.1 |
|
|
|
fprodcl.2 |
|
|
Assertion |
fprodcl |
|
Proof
Step |
Hyp |
Ref |
Expression |
1 |
|
fprodcl.1 |
|
2 |
|
fprodcl.2 |
|
3 |
|
ssidd |
|
4 |
|
mulcl |
|
5 |
4
|
adantl |
|
6 |
|
1cnd |
|
7 |
3 5 1 2 6
|
fprodcllem |
|