Epistemological Voluntarism
In epistemology, 'voluntarism' describes the view that belief is a matter of the will rather than one of simply registering one's cognitive attitude or degree of psychological certainty with respect to a stated proposition. If one is a voluntarist with respect to beliefs, it is coherent to simultaneously feel very certain about a particular proposition, P, and assign P a very low subjective probability. This is the basis of Bas Van Fraassen's Principle of Reflection.
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