:: deftheorem defines Complex_l2_Space CSSPACE:def 18 :
Complex_l2_Space = CUNITSTR(# the_set_of_l2ComplexSequences,(Zero_ (the_set_of_l2ComplexSequences,Linear_Space_of_ComplexSequences)),(Add_ (the_set_of_l2ComplexSequences,Linear_Space_of_ComplexSequences)),(Mult_ (the_set_of_l2ComplexSequences,Linear_Space_of_ComplexSequences)),cl_scalar #);