Description: The group addition operation of a subring of the field of complex numbers. (Contributed by AV, 31-Jan-2020)
Ref | Expression | ||
---|---|---|---|
Hypothesis | cnfldsrngbas.r | ||
Assertion | cnfldsrngadd |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cnfldsrngbas.r | ||
2 | cnfldadd | ||
3 | 1 2 | ressplusg |