
Conditional logic chooses among different behaviors depending on the values of the logic inputs. If Then and Case Statements are ideal for implementing conditional logic:
If Then Statements evaluate one or more Boolean expressions, and then describe the behavior for different values of the expressions.
Case Statements list alternatives that are available for each value of an expression. They evaluate the expression, and then select a course of action on the basis of the value of the expression.
Information on conditional logic is available in the following topics:
Conditional logic implemented with If Then and Case Statements should not be confused with logic that is generated conditionally in an If Generate Statement. Logic that is generated conditionally is not necessarily conditional logic. 
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