This is why it’s important to understand and master these search operators. Why It’s Called Boolean. Boolean refers to George Boole, a 19th-century mathematician who invented Boolean logic.

And secondly, mastering the basics of creating Boolean queries doesn’t require any technical background at all. Boolean terms explained. Before creating your first query, you should get comfortable ...

Just when you thought you had Boolean logic in the bag, Excel 2013 introduced the new operator XOR, which means Exclusive OR. Think of it as a similar opposite of NOT: If one condition is true and ...

The Boolean operators seen in the Doodle are a way to understand how the different parts of a search relate to one another. They include common words like AND, but also strange ones like XOR.

They are called Boolean operators AND they can be combined to make AND NOT. That’s because the Boolean operator OR does NOT really mean OR, which usually means AND NOT.