Disjunction

Definition

Disjunction in plain English

A disjunction is just a fancy word for an 'or' statement, 'A or B', and it counts as true whenever at least one part is true. If someone says 'you can bring a friend or a snack,' you're keeping the promise as long as you bring one of them (and usually both is fine too, that's the 'inclusive' or). There's also a stricter 'exclusive or' meaning exactly one but not both, like 'soup or salad' with your meal. In everyday logic and on tests, 'or' is inclusive unless it clearly signals 'pick one only.'

Related GMAT terms

• Absolute Value
• Argument
• Arithmetic Mean
• Assumption
• Binary Data
• Combination
• Composite Number
• Conditional
• Conjunction
• Continuous Data