Logic

Logic
Online textbook explaining the basic principles of elementary logic at an undergraduate level.
Logical Systems

Donate now!

Chat with a librarian now

Discover

Picture of the Day

William Blake (1757-1827). So cried he ... NYPL Berg Collection of English and American Literature.

One of 700,000 pictures in the NYPL Digital Gallery

Explore NYPL

Get Inspired

News

UnBeige: Chuck Close Goes Digital with Catalogue Raisonné from Artifex Press

Artist Chuck Close has described his work as “monumental in scale and brutal in detail.” The phrase is just as apt when referring to the painstaking process of cataloguing his oeuvre, according to Carina Evangelista, the editor of the Chuck

Latest Blog Post

Django Unchained: Lorraine Hansberry Unbridled

Angelic stranger, Dr. King Schultz (Christoph Waltz) grants freedom to hapless Texas slave Django (Jamie Foxx). Schultz, a kindly German dentist-turned-bounty hunter, provides Django with employment, trusting friendship and his first handgun. Django is reborn as a slave-turned-bounty hunter,

Connect

Follow NYPL on the Web

Visit NYPL on VoiceThread

Get NYPL News via Email

To learn more about how the library uses information you provide, please read our privacy policy.

My Borrowing

My Shelves

My Community

New & Notable

Collections

Made at NYPL

Electronic Resources

Tools and Services

Collections

Get Oriented

Services

I am a...