21. Historical perspective is important to an understanding of how the HLA were systematized . 22. The theory was never systematized but was nonetheless very pervasive and very influential. 23. Some try to systematize or formalize the seemingly unruly task of designing software. 24. He has helped us simplify and systematize things, 25. Collected and systematized data allowed exposing to empirical testing a number of existing hypotheses. 26. Ethics involves systematizing , defending, and recommending concepts of right and wrong behavior. 27. Later works in Cultural Theory systematized this argument. 28. Industrial design was the first area that made inroads into systematizing knowledge through practice. 29. It is being systematized slowly gradually since that. 30. Then they systematized education, bequeathing the seven liberal arts to the Middle Ages.