Question: In a binary integer programming problem, 1 corresponds to a yes decision and 0 to a no decision. If project S can be undertaken only

In a binary integer programming problem, 1 corresponds to a yes decision and 0 to a no decision. If project S can be undertaken only if project T is also undertaken, then the following constraint needs to be added to the formulation:

		S + T = 1
		T S
		S + T 1
		S T

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