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Boolean values: Difference between revisions
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The only values in Ruby that are false are: <code>false</code> and <code>nil</code>. They have synonyms <code>FALSE</code> and <code>NIL</code>.
Everything else is true. Constants <code>true</code> (
<code>false</code>, <code>nil</code> and <code>true</code> are singleton instances of classes <code>FalseClass</code>, <code>NilClass</code> and <code>TrueClass</code> respectively.
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