Algebra`InequalitySolve`
The built-in function Reduce provides the functionality previously found in Algebra`InequalitySolve`.
Instead of InequalitySolve[expr,vars] you should use Reduce[expr,vars,Reals]:
Version 5.2
The built-in function Reduce provides the functionality previously found in Algebra`InequalitySolve`.
Instead of InequalitySolve[expr,vars] you should use Reduce[expr,vars,Reals]: