doc/Contents

removal of junk and improvement of the document

tutorial	Tutorial on Isabelle/HOL
isar-overview	Tutorial on Isar
exercises	Exercises for Isabelle/HOL
axclass		Tutorial on Axiomatic Type Classes
isar-ref	The Isabelle/Isar Reference Manual
ref		The Isabelle Reference Manual
system		The Isabelle System Manual
intro		Introduction to Isabelle
logics		Isabelle's Logics: overview and misc logics
logics-HOL	Isabelle's Logics: HOL
logics-ZF	Isabelle's Logics: FOL and ZF
ind-defs	(Co)Inductive Definitions in ZF