Adjective
Of or pertaining to deduction; capable of being deduced from premises; deducible.
Source: Webster's dictionaryIf a lack of empirical foundations is a defect of the theory of logical probability, it is also a defect of deductive logic. David Stove
The deductive method is the mode of using knowledge, and the inductive method the mode of acquiring it. Henry Mayhew
You should carefully study the Art of Reasoning, as it is what most people are very deficient in, and I know few things more disagreeable than to argue, or even converse with a man who has no idea of inductive and deductive philosophy. William John Wills
A system is said to be coherent if every fact in the system is related every other fact in the system by relations that are not merely conjunctive. A deductive system affords a good example of a coherent system. Susan Stebbing
The computer, with its multiplying forums for spontaneous free expression from e-mail to listservs and blogs, has increased facility and fluency of language but degraded sensitivity to the individual word and reduced respect for organized argument, the process of deductive reasoning. Camille Paglia
I'm not a great deductive thinker, but I will admit to having competence in a very wide range of things - not being afraid to try to write about baseball, choral music and dinosaurs in the same week and see connections among them. Stephen Jay Gould