doc-src/Intro/list.thy

updated to jdk-7u6 and jedit_build-20120813 -- NB: plain Isabelle/Scala still happens to work with jdk-6;

List = FOL +
types   list 1
arities list    :: (term)term
consts  Nil     :: "'a list"
        Cons    :: "['a, 'a list] => 'a list" 
end