Examples with Formula kodkod.ast.Formula used on opensource projects

Example 36 with Formula

use of kodkod.ast.Formula in project org.alloytools.alloy by AlloyTools.

the class AbstractWorldDefinitions method AbOp_total.

/**
 * Returns the AbOp_total assertion.
 *
 * @return AbOp_total assertion
 */
public Formula AbOp_total() {
    final Variable a = Variable.unary("a");
    final Variable a_in = Variable.unary("a_in");
    final Formula f0 = Abstract(a).implies(AbIgnore(a, a, aNullOut).and(AbTransfer(a, a, a_in, aNullOut)));
    final Formula f1 = f0.forAll(a.oneOf(AbWorld).and(a_in.oneOf(AIN)));
    return f1;
}

Example 37 with Formula

use of kodkod.ast.Formula in project org.alloytools.alloy by AlloyTools.

the class AbstractWorldDefinitions method XiAbPurse.

/**
 * Returns the application of the XiAbPurse predicate.
 *
 * @return application of the XiAbPurse predicate.
 */
public Formula XiAbPurse(Expression s, Expression sprime, Expression a) {
    final Expression aRestrict = a.product(Expression.UNIV);
    final Formula f0 = aRestrict.intersection(abBalance.join(s)).eq(aRestrict.intersection(abBalance.join(sprime)));
    final Formula f1 = aRestrict.intersection(abLost.join(s)).eq(aRestrict.intersection(abLost.join(sprime)));
    return f0.and(f1);
}

Example 38 with Formula

use of kodkod.ast.Formula in project org.alloytools.alloy by AlloyTools.

the class AbstractWorldDefinitions method XiTransfer.

/**
 * Applies the XiTransfer predicate to the arguments.
 *
 * @return application of the XiTransfer predicate to the arguments.
 */
public final Formula XiTransfer(Expression p, Expression pprime) {
    final Formula f0 = p.join(from).eq(pprime.join(from));
    final Formula f1 = p.join(to).eq(pprime.join(to));
    final Formula f2 = p.join(value).eq(pprime.join(value));
    return Formula.and(f0, f1, f2);
}

Example 39 with Formula

use of kodkod.ast.Formula in project org.alloytools.alloy by AlloyTools.

the class AbstractWorldDefinitions method AbTransferLost.

/**
 * Returns the application of the AbTransferLost predicate.
 *
 * @return application of the AbTransferOkay predicate.
 */
public Formula AbTransferLost(Expression s, Expression sprime, Expression a_in, Expression a_out) {
    final Expression e0 = a_in.join(from);
    final Expression e1 = a_in.join(to);
    final Formula f0 = AbWorldSecureOp(s, sprime, a_in, a_out);
    final Formula f1 = Authentic(s, e0);
    final Formula f2 = Authentic(s, e1);
    final Formula f3 = SufficientFundsProperty(s, a_in);
    final Formula f4 = e0.intersection(e1).no();
    final Formula f5 = e0.join(abBalance).join(sprime).eq(e0.join(abBalance).join(s).difference(a_in.join(value)));
    final Formula f6 = e0.join(abLost).join(sprime).eq(e0.join(abLost).join(s).union(a_in.join(value)));
    final Formula f7 = XiAbPurse(s, sprime, e1);
    final Formula f8 = Authentic(sprime, e0);
    final Formula f9 = Authentic(sprime, e1);
    return Formula.and(f0, f1, f2, f3, f4, f5, f6, f7, f8, f9);
}

Example 40 with Formula

use of kodkod.ast.Formula in project org.alloytools.alloy by AlloyTools.

the class DNACuts method declarations.

/**
 * Returns declarations constraints.
 *
 * @return declarations constraints.
 */
public Formula declarations() {
    final Variable l = Variable.unary("l");
    final Formula f0 = l.join(base).one().forAll(l.oneOf(Link));
    final Formula f1 = CutLink.union(JoinLink).eq(Link);
    final Formula f2 = CutLink.intersection(JoinLink).no();
    return f0.and(f1).and(f2);
}