Home›Browse›D›deductive reasoningdeductive reasoningOur editors are putting together more complete content — check back in about 20 minutesdeductive reasoningdeductive reasoning — nounnoun1. A logical process where a conclusion follows from general principles.1.nounDefinitionA logical process where a conclusion follows from general principles.ExampleIn deductive reasoning, if all humans are mortal and Socrates is human, then Socrates is mortal.