law of dominance
See under Mendel’s law.
- Law of effect
noun 1. (psychol) another name for Thorndike’s law See Thorndike
noun, Logic. 1. the principle that any proposition must be either true or false.
- Law of excitation
law of excitation n. The principle that a motor nerve responds to the alteration of value of an electric current from moment to moment.
noun, Mathematics. 1. the theorem stating the elementary properties of exponents, as the property that the product of the same bases, each raised to an exponent, is equal to the base raised to the sum of the exponents: xa ⋅ xb = xa + b .