Time Travel Pseudoscience: The Logic of Andrew Knight
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II. PSEUDOSCIENCE
What is and is not scientific has been subject to debate since time immemorial. For example, Karl Popper [12] argues that a statement or hypothesis is scientific if and only if it is falsifiable, while others argue that anything empirically testable is scientific. Moreover, what constitutes pseudoscience is subject to further debate.[2] A false statement need not be pseudoscientific. For example: “Gravity causes apples to fall upward” is a statement that is in contradiction with empirical evidence; as such, it is both testable and falsifiable. Indeed, most scientific hypotheses over the past millennia have been falsified. Such hypotheses might have been true but turned out to conflict with the facts of the universe.
However, a statement that is internally inconsistent – i.e., self-contradictory – is inherently false. A...
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