Informal recording of mental activity: Some of these thoughts reoccur in different forms and eventually coalesce into more formal writings, and some are more catharsis than exposition. (A.K.A. Extra Gravy)
A fact represents specific knowledge from range (0, 1) or the absence
of knowledge , but it cannot represent perfect knowledge (1). Perfection is not an aspect if reality. Reality facts are from range [0, 1). Facts are non-negative.