a variable with the property that between any two values, there are an infinite number of other values. Synonym -- analog variable.

(examples: Q(x)

the cumulative chance of some event with respect to the independent variable. For example, if the independent variable is cost, then P(x) might indicate the total proportion of times (or individuals) [..]

for our purposes, the probability that a mix strategist such as var

and then quit. It can be computed by determining the probability of paying cost x (Q(x)) and cost x - dx (where dx is some small increment of x) using the cumulative probability function

a variable that can only possess certain exact values -- intermediate values are not possible and are rounded to the nearest permitted value or in rare cases are simply ignored. Synonym: "dig [..]

the base of the system of natural logarithms, approximately equal to 2.7183.

in our context, a strategy that is NOT increasing relative to any other as a result of selection. Thus, all equilibrial strategies within a population must have the same fitness. Equilibrial strategie [..]

the base of the natural logarithm system e

Note that when the value in the parentheses is negative (a negative exponent of e) that this is equivalent to 1/exp(). Thus, exp(-2) is the same as writing e^-2 or 1/e^2 or 1/(2.7183^2).