Theorem cnfldsrngadd

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	|- R = ( CCfld |`s S )
Assertion	cnfldsrngadd	|- ( S e. V -> + = ( +g ` R ) )

Proof

Step	Hyp	Ref	Expression
1		cnfldsrngbas.r	|- R = ( CCfld |`s S )
2		cnfldadd	|- + = ( +g ` CCfld )
3	1 2	ressplusg	|- ( S e. V -> + = ( +g ` R ) )