truth table

noun Logic, Mathematics, Computers.
a table that gives the truth-values of a compound sentence formed from component sentences by means of logical connectives, as AND, NOT, or OR, for every possible combination of truth-values of the component sentences.

Origin:
1935–40

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World English Dictionary
truth table
 
n
1.  a table, used in logic, indicating the truth-value of a compound statement for every truth-value of its component propositions
2.  a similar table, used in transistor technology, to indicate the value of the output signal of a logic circuit for every value of input signal

Collins English Dictionary - Complete & Unabridged 10th Edition
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FOLDOC
Computing Dictionary

truth table definition

logic
A table listing all possible combinations of inputs and the corresponding output of a Boolean function such as AND, OR, NOT, IMPLIES, XOR, NAND, NOR. Truth tables can be used as a means of representing a function or as an aid in designing a circuit to implement it.
(1998-07-30)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
Know the truth table of each connective and how to logically negate statements involving these connectives.
Construct a truth table for the seatbelt warning light in an automobile.
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