d

Posts Tagged ‘bayesianism’

Simplicity

In critical rationalism, popper on 15/07/2011 at 9:32 am

Why should scientists prefer theories that are simple and not complex? There is a very simple answer to this complex problem: Leibniz points out in section VI of his Discourse on Metaphysics that a theory ought to be simpler than the data it sets out to explain, otherwise it does not explain anything. A theory becomes vacuous if an arbitrarily complex mathematical statement is permitted to count as a theory, for one can always construct a theory to fit the data, even if the data is random.

Read the rest of this entry »