# 5.7 IF Statements and Constructs

IF statements and constructs conditionally transfer control, or execute a statement or block of statements. The decision to transfer control or to execute the statement or block of statements is based on the evaluation of an expression within the IF statement.

This section discusses the following:

- Arithmetic

- Logical

- Block construct

  These constructs can contain IF THEN, ELSE IF THEN, ELSE, and END IF statements.

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