[slushh]

>Science is, by definition, based on observation and proving hypotheses through that observation.

Technically, hypotheses cannot be proven because it's possible that all measurements were outliers.

[mistermann]

Also, defining something as <X> doesn't necessarily cause it to be that, but with adequate ~training[1] (basically, cultural beliefs and behavioral norms) it can make it appear as such. This phenomenon surrounds us constantly, and is filtered out from our experience.

[1] https://en.m.wikipedia.org/wiki/Illusory_truth_effect