set ZS = the non empty set ;
set O = the Element of the non empty set ;
set F = the BinOp of the non empty set ;
set G = the Function of [:COMPLEX, the non empty set :], the non empty set ;
take
CLSStruct(# the non empty set , the Element of the non empty set , the BinOp of the non empty set , the Function of [:COMPLEX, the non empty set :], the non empty set #)
; not CLSStruct(# the non empty set , the Element of the non empty set , the BinOp of the non empty set , the Function of [:COMPLEX, the non empty set :], the non empty set #) is empty
thus
not the carrier of CLSStruct(# the non empty set , the Element of the non empty set , the BinOp of the non empty set , the Function of [:COMPLEX, the non empty set :], the non empty set #) is empty
; STRUCT_0:def 1 verum