Difference between revisions of "Bottom"
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The term 'bottom' refers to a computation which never completes successfully. That includes a computation that fails due to some kind of error, and a computation that just goes into an infinite loop (without returning any data). |
The term 'bottom' refers to a computation which never completes successfully. That includes a computation that fails due to some kind of error, and a computation that just goes into an infinite loop (without returning any data). |
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| − | The mathematical symbol for bottom is '⊥'. That's Unicode character 22A5 hex = 8869 decimal. |
+ | The mathematical symbol for bottom is '⊥'. That's Unicode character 22A5 hex = 8869 decimal. Also available in HTML as '&perp;' and in LaTeX as '\perp' (within math mode). In plain ASCII, it's often written as the extremely ugly character sequence '<code>_|_</code>'. |
Revision as of 14:14, 28 January 2007
The term 'bottom' refers to a computation which never completes successfully. That includes a computation that fails due to some kind of error, and a computation that just goes into an infinite loop (without returning any data).
The mathematical symbol for bottom is '⊥'. That's Unicode character 22A5 hex = 8869 decimal. Also available in HTML as '⊥' and in LaTeX as '\perp' (within math mode). In plain ASCII, it's often written as the extremely ugly character sequence '_|_'.