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Appendix F: Boolean Expressions (Equals/Greater/Less Than (A = B…
Appendix F: Boolean Expressions
Equals/Greater/Less Than
A = B
Expression A = Expression B
A! = B
A does not equal B
A > B
A is greater than B
A >= B
A is greater than or equal to B
A < B
A is less than B
A <= B
A is less than or equal to B
True/False/In
A
A is true
NOT A
A is false
A IN B
A is in the set of B things
A NOT IN B
A is not in the set of B things
And/Or
A OR B
Expression A is true or expression B is true or both expressions are true
A AND B
Expression A is true and expression B is true
A OR (B AND C)
Expression A is true or expression B and expression C are both true or expression A and expression B and C are true
A AND (B OR C)
Expression A is true and expression B, expression C, or expressions B and C are true
Basic Boolean expressions can be combined to create more complex logic by replacing A, B or C with any basic Boolean expression