contains the operators of {@link
de.uka.ilkd.key.logic.Term}s. Operators may be {@link
de.uka.ilkd.key.logic.op.Quantifier}s or {@link
de.uka.ilkd.key.logic.op.SubstOp}s that bind variables for
subterms, but also {@link de.uka.ilkd.key.logic.op.Modality}s, or
{@link de.uka.ilkd.key.logic.op.QuanUpdateOperator}s. Many of the operators
are constantly defined in {@link de.uka.ilkd.key.logic.op.Op}s.
An operator can be a {@link de.uka.ilkd.key.logic.op.TermSymbol}s,
such as a {@link de.uka.ilkd.key.logic.op.Function} or a
variable. There are several kind of variables: {@link
de.uka.ilkd.key.logic.op.LogicVariable}s (variables that must be
bound but do not occur in programs), {@link
de.uka.ilkd.key.logic.op.ProgramVariable}s (allowed both in
programs and in logic, but not boundable), {@link
de.uka.ilkd.key.logic.op.Metavariable}s, and {@link
de.uka.ilkd.key.logic.op.SchemaVariable}s for {@link
de.uka.ilkd.key.rule.Taclet}s.
Last modified: Mon Apr 18 09:42:36 MEST 2005