Informally, a situation in which a decision must be made from several alternatives, none of which is obviously the optimal one. In formal logic, a dilemma is a specific type of argument using two conditional statements which may take the form of a constructive dilemma or a destructive dilemma.
Dilemma
See also
Constructive Dilemma, Destructive Dilemma, Monty Hall Problem, Paradox, Prisoner's DilemmaExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Dilemma." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Dilemma.html