21. Those conceptual systems may be developed through inductive reasoning, deductive reasoning , and empirical analysis. 22. Piaget stated that " hypothetico-deductive reasoning " becomes important during the formal operational stage. 23. The deductive reasoning required is equally sharp, if not sharper. 24. In Get-a-Clue, children read for meaning as they use their deductive reasoning to solve mysteries. 25. On a psychological level, Binah is " processed wisdom, " also known as deductive reasoning . 26. In deductive reasoning , we can conclude Q from P by using the law of detachment. 27. With this biochemist must understand deductive reasoning as well. 28. Lacking modern lab techniques, Fitzgerald must use deductive reasoning . 29. Or so the rosy scenario goes, by deductive reasoning . 30. Their development of deductive reasoning was of particular importance and usefulness to later scientific inquiry.