PSYC2071 Lecture 15: Lecture 15- Reasoning
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What are these rules? (and do we follow them?) Using facts to reach a logically certain conclusion. Using facts to reach a plausible conclusion (allows room for doubt) Example: all men are mortal, socrates is a man - therefore, socrates is mortal. Conclusion: the statement we are asked to accept. If we take a look at a slight variation of this example argument. Example: if socrates is a man, then he is mortal and socrates is a man, therefore. No changes to the minor premise or conclusion. Affirming evidence refers to a fact (in the minor premise) that agree. Denying evidence refers to a fact (in the minor premise) that disagre. Conclusion is necessarily true if the premises are true. I. e. it is impossible for the premises to be true and the conclusion to be false. People are told that they need to conditional rule and are given a s.