// Solidity program to demonstrate // Logical Operators pragma solidity ^0.4.18; // Creating a contract contract logicalOperator{ // Defining function to demonstrate // Logical operator function Logic(bool a, bool b) public view returns(bool, bool, bool){ // Logical AND operator bool and = a&&b; // Logical OR operator bool or = a||b; // Logical NOT operator bool not = !a; return (and, or, not); } } 0.4.18