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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 . (Contributed by NM, 9-Nov-2005.) (Revised by Mario Carneiro, 22-Apr-2014.) |
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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