Definition of deductive in English:



  • Characterized by or based on the inference of particular instances from a general law.

    ‘deductive reasoning’
    ‘I used my deductive powers’
    • ‘That is a valid deductive argument against materialism, and its premises are hard to deny.’
    • ‘Although empiricists also used deductive reasoning, they put a greater emphasis on the inductive method championed by fellow British countryman Francis Bacon.’
    • ‘These insights are said to be made a priori and Austrian reasoning is thus deductive, not inductive, or empirical.’
    • ‘Mathematics in its widest signification is the development of all types of formal, necessary, deductive reasoning.’
    • ‘All that we require is some general and less than deductive understanding of how economic properties and relations might be underlain by physical ones.’
    • ‘First, modern mathematical methods were to be represented in formal deductive systems.’
    • ‘The key thing about is that it is not, or at least not obviously, an instance of some general deductive or probabilistic principle.’
    • ‘If inductive inference can teach us something new, in opposition to deductive inference, this is because it is not a tautology.’
    • ‘Still, Adams's result vindicates deductive reasoning from uncertain premises, provided that they are not too uncertain, and there are not too many of them.’
    • ‘This knowledge is a balanced assessment, since it is based on both deductive or objective and inductive or empathic reasoning.’
    • ‘Neither deductive nor inductive reasoning can account for the way in which we immediately see that such principles are true.’
    • ‘He saw mathematics as providing the most fundamental of all ideas and the deductive reasoning of mathematics was seen as the ideal way of achieving knowledge.’
    • ‘Aristotle was not primarily a mathematician but made important contributions by systematising deductive logic.’
    • ‘The deductive and inductive procedures, applied to the sentences, produce the inferences.’
    • ‘These are not specific geometrical properties but rather general assumptions which allow mathematics to proceed as a deductive science.’
    • ‘The deductive inferences, however, are all valid.’
    • ‘Our physical science is not a deductive system, but a series of generalizations based in observation of finite modes.’
    • ‘The distinction between deductive and inductive validity goes back to Aristotle.’
    • ‘I think he is attacking systematic philosophies and the idea of deductive logic.’
    • ‘According to Goodman, we formulate rules of deductive logic by taking our cue from intuitively valid deductive inferences.’
    reasoned, well reasoned, rational, sound, cogent, well thought out, valid
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Mid 17th century: from medieval Latin deductivus, from deduct- ‘deduced’, from the verb deducere (see deduce).