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
British Dictionary definitions for truth tables
truth table
noun
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