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A concept is '''falsifiable''' if it is possible to show that it is false if it were false.<ref>[http://www.encyclopedia.com/doc/1O87-falsifiability.html Definition] A Dictionary of Psychology, Andrew M. Colman, via encyclopedia.com</ref>  A concept that could not possibly be shown to be false, even if it were false, is not falsifiable.  Many true theories are '''falsifiable''', such as the prediction that sun will rise in the East tomorrow morning, because if that theory were false then it would be possible to show that it is false.<ref>If the outcome of an actual experiment has an outcome that disproves a theory, then that theory is both falsifiable and demonstrably false.</ref>

A concept is '''falsifiable''' if it is possible to show that it is false if it were false.<ref>[http://www.encyclopedia.com/doc/1O87-falsifiability.html Definition] A Dictionary of Psychology, Andrew M. Colman, via encyclopedia.com</ref>  A concept that could not possibly be shown to be false, even if it were false, is not falsifiable.  Many true theories are '''falsifiable''', such as the prediction that sun will rise in the East tomorrow morning, because if that theory were false then it would be possible to show that it is false.<ref>If the outcome of an actual experiment has an outcome that disproves a theory, then that theory is both falsifiable and demonstrably false.</ref>

To be considered [[scientific]], a [[hypothesis]] must be "falsifiable", i.e., capable of being proven false. If no one, not even the supporters of the hypothesis, can think of a way the hypothesis might be proven false, then most scientists would agree that it is not part of science (see [[pseudoscience]]). However, the [[history of science]] is full of examples whereby supporters of various theories refused to consider the prospect that someone might prove them wrong.

To be considered [[scientific]], a [[hypothesis]] must be "falsifiable", i.e., capable of being proven false. If no one, not even the supporters of the hypothesis, can think of a way the hypothesis might be proven false, then most scientists would agree that it is not part of science (see [[pseudoscience]]). However, the [[history of science]] is full of examples whereby supporters of various theories refused to consider the prospect that someone might prove them wrong.