Wo rds and symbols
Subtitle: proofs and invalidations
By: Jordan Howard Sobel.
Contributors: Kalish, Donald.
Publisher: University of Toronto
Published: 1998
Place of publication: [Toronto]
Language: eng
Subjects: Logic, Symbolic and mathematical -- Handbooks, manuals, etc.
Other titles: Logic : techniques of formal reasoning
Notes: "To complement and supplement Logic : techniques of formal reasoning."

Includes bibliographical references.