a new decision making approach for winning strategy based on muti soft set logic

We introduce a new concept of certainty and coverage of a parameter of the soft set and present a new decision making approach for the soft set over the universe using the certainty of a parameter. also, we point out the drawbacks of the reduct definition by pointing out the delusion of proposition 14 given by herawan et al. [20] and provide the revised definition of the reduct of the multi soft set.