ap.parser.IExpression
Match on a difference IPlus(a, ITimes(IdealInt.MINUS_ONE, b)) or IPlus(ITimes(IdealInt.MINUS_ONE, b), a)
IPlus(a, ITimes(IdealInt.MINUS_ONE, b))
IPlus(ITimes(IdealInt.MINUS_ONE, b), a)
(Since version ) see corresponding Javadoc for more information.
Match on a difference
IPlus(a, ITimes(IdealInt.MINUS_ONE, b))
orIPlus(ITimes(IdealInt.MINUS_ONE, b), a)