Overview Exercise OR, AND, NOT Examples Activity Sample Search Quiz End Contact

Unfamiliar image of George Boole or familiar image of two young women sharing pizza

Boolean operators

Logical Searches
for
Powerful Results

"Boolean operators"?

Boolean logic:
developed by 19th-century mathematician
George Boole
Boolean operators:
- "OR"
- "AND"
- "NOT"

Offer ways to:

expand your search
narrow your search
exclude things from your search

Useful in different situations:

web searches
library catalogs
research databases

We will:

look at a familiar situation using Boolean logic
learn about these Boolean operators
practice searching
check your understanding with a short quiz

©2007 by Jessica Goodman

e-mail: jgoodman@slis.sjsu.edu

This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License.

Credits: image of Boole from Wikimedia Commons source www.kerryr.net/pioneers/gallery/boole.htm, photo "We Love Pizza" © Vasko Miokovic, Free JavaScript provided by The JavaScript Source.