Fuzzy metalogic for crisp logics

From Mathfuzzlog

Authors:	Giangiacomo Gerla
Title of the chapter:	Fuzzy metalogic for crisp logics
Title of the book:	Discovering the World by Fuzzy Logic
Editor(s):	Vilem Novak Irina Perfilieva
Pages:	175-191
Publisher:	Physica-Verlag
City:	Heidelberg
Year:	2000