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| Mirrors > Home > MPE Home > Th. List > fsumcl | Structured version Visualization version Unicode version | ||
| Description: Closure of a finite sum
of complex numbers |
| Ref | Expression |
|---|---|
| fsumcl.1 |
|
| fsumcl.2 |
|
| Ref | Expression |
|---|---|
| fsumcl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssid 3624 |
. . 3
| |
| 2 | 1 | a1i 11 |
. 2
|
| 3 | addcl 10018 |
. . 3
| |
| 4 | 3 | adantl 482 |
. 2
|
| 5 | fsumcl.1 |
. 2
| |
| 6 | fsumcl.2 |
. 2
| |
| 7 | 0cnd 10033 |
. 2
| |
| 8 | 2, 4, 5, 6, 7 | fsumcllem 14463 |
1
|
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