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To avoid a possible manual input of Resistance#of Resistance#, make sure Resistance# is determined by SYLsure Resistance# is determined by SYL: System/Function. In the relation forStabilityfor Stability_check#, remove the subgoals attributethe subgoals attribute: the best ship evaluation does not include the resistance and speed.
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Make sure that both Fn# and Fn are determined by Systemby System/Equation. Check out the description of the SELECT() function.
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