public final class Equality extends AbstractSortedOperator
Modifier and Type | Field and Description |
---|---|
static Equality |
EQUALS
the usual 'equality' operator '='
|
static Equality |
EQV
the usual 'equivalence' operator '<->' (be A, B formulae then
'A <-> B' is true if and only if A and B have the same truth
value
|
Modifier and Type | Method and Description |
---|---|
int |
arity()
the arity of this operator
|
boolean |
bindVarsAt(int n)
Tells whether the operator binds variables at the n-th subterm.
|
boolean |
isRigid()
Tells whether the operator is rigid.
|
Name |
name()
returns the name of this element
|
java.lang.String |
toString() |
void |
validTopLevelException(Term term)
Checks whether the top level structure of the given @link Term
is syntactically valid, given the assumption that the top level
operator of the term is the same as this Operator.
|
protected ImmutableArray<java.lang.Boolean> |
whereToBind() |
additionalValidTopLevel, argSort, argSorts, sort, sort
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
arity, bindVarsAt, isRigid, validTopLevel, validTopLevelException
public static final Equality EQUALS
public static final Equality EQV
protected final ImmutableArray<java.lang.Boolean> whereToBind()
public final Name name()
Named
public final int arity()
Operator
public final boolean bindVarsAt(int n)
Operator
bindVarsAt
in interface Operator
public final boolean isRigid()
Operator
public void validTopLevelException(Term term) throws TermCreationException
Operator
validTopLevelException
in interface Operator
TermCreationException
- if a construction error was recognisepublic java.lang.String toString()
toString
in class java.lang.Object
Copyright © 2003-2019 The KeY-Project.