Deprecation.dfy(15,13): Warning: constructors no longer need 'this' to be listed in modifies clauses
Deprecation.dfy(22,0): Warning: the old keyword phrase 'inductive predicate' has been renamed to 'least predicate'
Deprecation.dfy(25,0): Warning: the old keyword 'copredicate' has been renamed to the keyword phrase 'greatest predicate'
Deprecation.dfy(28,0): Warning: the old keyword phrase 'inductive lemma' has been renamed to 'least lemma'
Deprecation.dfy(31,0): Warning: the old keyword 'colemma' has been renamed to the keyword phrase 'greatest lemma'
