THE_PHILOSOPHY_OF_KARL_POPPER

# THE_PHILOSOPHY_OF_KARL_POPPER - Popper believed science had...

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Popper believed science had a special method This was the method of falsification Scientists should try and falsify their theories
The problem of Induction How do we justify inductive inference?

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Premise 1: All dogs eat bones True Premise 2: Sam is my dog True Conclusion: Sam eats bones True In this example we deduce something new from two true premises. Because both premises are true the conclusion we deduce is true.
Premise 1: All dogs have five legs False Premise 2: Sam is my dog True Conclusion: Sam has five legs False In this example of deductive inference we reach a false conclusion but the deductive reasoning is perfectly valid.

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In inductive inference we induce a universal law from many singular instances S1- Copper expands when heated S2 - Silver expands when heated Universal Law - All Metals expand when heated
Inductive reasoning can go wrong. From true singular statements we can derive a false conclusion.

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• Spring '06
• PINCH,T.
• Falsifiability, inductive inference, false conclusion, true general conclusion

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