# Boolean `Function`

in Sum of Minterms.

Sum of Minterms or SOM is an equivalent statement of Sum of Standard products.

Any boolean function can be represented in SOM by following a 2 step approach discussed below.

Step1: Represent the minterms for a function by decimal 1 in column 4 of table below. `Refer`

minterms from here

Step2: Add (or take binary OR) all the minterms in column 5 of table to represent the function.

Truth Table of three variable example below.

**Can** you `solve`

minterms for rows 4 and 5 that ae not valid in this function? Its x'yz and xy'z'.