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1A diagram in rows and columns showing how the truth or falsity of a proposition varies with that of its components.
‘As early as 1894 Dodgson used truth tables for the solution of specific logic problems.’
‘The statement ‘I am wet’ can be either true or false, and this accounts for the last two columns in the truth table.’
‘The truth table for the (standard, ‘material implication’ logical version of) ‘if A then B’ is so if the whole sentence is true and B is false, then A must also be false.’
‘A well-known example of an effective method is the truth table test for tautologousness.’
‘The fourth column can be read off from the truth table for disjunction.’
1.1Electronics A diagram of the outputs from all possible combinations of input.
‘The current activation/deactivation state of the array is then converted, advantageously via truth table logic, into a digital signal representative of the current position of the marker.’
‘A truth table shows how a logic circuit's output responds to various combinations of the inputs, using logic 1 for true and logic 0 for false.’
‘The logic gate truth table or truth tables used for electronic logic gates circuits including the AND, NAND, OR, NOR and exclusive OR circuits.’