Quote:
Originally Posted by kerry
Why shouldn't anyone have negative hypothesis? I wasn't looking to verify a positive hypothesis but prove a negative hypothesis by verifying it's contradiction. It's quite easy to falsify some hypotheses. All cats are white is my hypothesis. I just definitively falsified it by looking at the black cat beside me on the couch.
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The premise that you can't prove a negative it this.
To take your cat example.
Hypothisis: There are no white cats.
You can't prove this hypothisis, you can only disprove it by finding a white cat.