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- In the solution Waterline, select the cell containing Object (as in figure 3). Press F2, which is the shortkey for edit.
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In the knowledge browser, select the class Top Goals/Undefined. In the right hand side, 
New Parameter/Function (or Ctrl+I). Name the Object Ships and select the type: Object.
Unlike the Waterline object, which was defined by a function, the object Ships does not yet meet the validity conditions.
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