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Inductive & Deductive Reasoning



Deductive reasoning - reasoning from general principles to a conclusion about a specific case
  • Basis of math and formal logic
  • Conclusion cannot be false if the factual statements (premises) are true
  • Example - the sun is a star, the sun has planets, therefore some stars have planets

Inductive reasoning - start with specific facts and try to develop a general principle
  • Used to discover general principles from combined observations
  • Leads to probabilities rather than absolute truths
  • Example - studying the traffic patterns to be able to predict when to leave for class

Practice: Inductive and Deductive Reasoning

Deductive reasoning is reasoning from ______________ while inductive reasoning is reasoning from _______________.