# Truth tables

A truth table is a mathematical table used in logic—specifically in connection with Boolean algebra, boolean functions, and propositional calculus—to compute the functional values of logical expressions on each of their functional arguments, that is, on each combination of values taken by their logical variables (Enderton, 2001). In particular, truth tables can be used to tell whether a propositional expression is true for all legitimate input values, that is, logically valid.^{[1]}

To determineObtain the only possible answer. the total numberA unit of abstract mathematical system subject to the laws of arithmetic. of possible permutations, of `n`

given inputs, You'll need 2^n input combinations to test.

## Truth Tables

## Do you understand this topic?

- DefineGive the precise meaning of a word, phrase, concept or physical quantity. the Boolean operators: AND, OR, NOT, NAND, NOR and XOR.
- ConstructDevelop information in a diagrammatic or logical form. truth tables using the above operators.
- ConstructDevelop information in a diagrammatic or logical form. a logic diagram using AND, OR, NOT, NAND, NOR and XOR gates.