Clarence Irving Lewis Quote

A "poor evaluation" of the probability of anything may reflect ignorance of relevant data which "ought" to be known.


Mind and the World-Order: Outline of a Theory of Knowledge, Chapter X (p. 331), Charles Scribner's Sons. 1929


A poor evaluation of the probability of anything may reflect ignorance of relevant data which ought to be known.

A poor evaluation of the probability of anything may reflect ignorance of relevant data which ought to be known.

A poor evaluation of the probability of anything may reflect ignorance of relevant data which ought to be known.

A poor evaluation of the probability of anything may reflect ignorance of relevant data which ought to be known.