Judged: two independent readers; copy check clear.
E
E Historically, E was used in several technical ways: in logic it marked a universal negative statement, and in experimental psychology it stood for excitation or a stimulus measured in varying amounts such as pressure, sound, or light.
Historically, E was used in several technical ways: in logic it marked a universal negative statement, and in experimental psychology it stood for excitation or a stimulus measured in varying amounts such as pressure, sound, or light. The term also appeared in Avenarius’s empiriocriticism in the expression E-values.