What is of or pertaining to deduction; capable of being deduced from premises; deducible. All knowledge of causes is deductive. Glanvill. Notions and ideas . . . used in a deductive process. Whewell called?

deductive — Of or pertaining to deduction; capable of being deduced from premises; deducible. All knowledge of causes is deductive. Glanvill. Notions and ideas . . . used in a deductive process. Whewell. (Webster's 1913.)

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