So we find that(8 + 7) ?? 3 + 10 = 15?? 3 + 10 = 5 + 10 = 15 and 15 28 + 7 ?? (3 + 10) = 15 ?? 13 = =1 13 13However, the meaning we attach to symbolic knowledge depends on howit is understood ??? what concepts and other ideas we connect to thesymbols.What are procedures?