MSN home
Mail
My MSN
Sign in
encarta
greeting cards
more
Hotmail
Messenger
My MSN
Download IE8
Airfares & Travel
Autos
Careers & Jobs
City Guides
Dating & Personals
Food & Entertaining
Games
Health & Fitness
Horoscopes
Lifestyle
Maps & Directions
Money
Movies
Music
News
Real Estate/Rentals
Shopping
Sports
Tech & Gadgets
TV
Weather
White Pages
Wonderwall
Yellow Pages
MSN Directory
encarta
®
Home
Encyclopedia
Dictionary
Atlas
K-12 Success
College & Grad School
Degrees & Training
Quizzes
More
Additional Reference Materials
Thesaurus
Translations
Multimedia
Other Resources
Education Resources
Foreign Language Help
Project Planner
Scholarships & Financial Aid
Jobs & Internships
Coffee Break
Ask Bill Nye the Science Guy
Top 10 Lists
Columns
On This Day
Help
Related Items
from
Encarta
Frege, Gottlob
formalized language of logic
influence on others
quotation
symbolic logic
Deduction
Deduction
, in logic, a process of reasoning in which reasons are given in support of a claim. The reasons, or justifications, are called the premises...
View article
MSN Privacy
Legal
Advertise
Newsletter
Worldwide
Feedback
Help
© 2009 Microsoft
Hotmail
View article
