Boolean Operators « Language Basics « Ruby

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Ruby » Language Basics » Boolean Operators 
1. the && operator means "and."
2. have more than two statements separated by &&
3. use the keyword and instead of &&.
4. || operator is or.
5. check whether one or the other is true by using ||
6. Are more than two statements OK?
7. Chaining together multiple comparisons is also possible with a clever use of parentheses:
8. And, or and Not
9. Use or in if statement
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