Possible worlds

Necessity and possibility

Deontic logic

All of the above

Modal logic can be used to analyze political concepts such as power, authority, and legitimacy.

Modal logic can be used to analyze the logical structure of political arguments.

Modal logic can be used to develop formal models of political systems.

All of the above

It is possible that it will rain tomorrow.

It is necessary that the sun will rise tomorrow.

It is obligatory that I pay my taxes.

All of the above

A possible world is a world that is consistent with the laws of nature, while an actual world is a world that actually exists.

A possible world is a world that is logically possible, while an actual world is a world that is physically possible.

A possible world is a world that is conceivable, while an actual world is a world that is real.

All of the above

The necessity operator is a modal operator that is used to express the idea that something is necessarily true.

The necessity operator is a modal operator that is used to express the idea that something is possibly true.

The necessity operator is a modal operator that is used to express the idea that something is obligatory.

None of the above

The possibility operator is a modal operator that is used to express the idea that something is necessarily true.

The possibility operator is a modal operator that is used to express the idea that something is possibly true.

The possibility operator is a modal operator that is used to express the idea that something is obligatory.

None of the above

The deontic operator is a modal operator that is used to express the idea that something is obligatory.

The deontic operator is a modal operator that is used to express the idea that something is permitted.

The deontic operator is a modal operator that is used to express the idea that something is forbidden.

All of the above

Modal logic can be used to analyze the strategic interactions of players in a game.

Modal logic can be used to develop formal models of games.

Modal logic can be used to analyze the decision-making process of players in a game.

All of the above

It is obligatory that I pay my taxes.

It is permitted that I drive my car.

It is forbidden that I steal.

All of the above

Modal logic can be used to analyze ethical concepts such as good and evil, right and wrong.

Modal logic can be used to develop formal models of ethical theories.

Modal logic can be used to analyze the decision-making process of moral agents.

All of the above

It is good to help others.

It is wrong to steal.

It is obligatory to keep your promises.

All of the above

Modal logic can be used to analyze legal concepts such as rights, duties, and obligations.

Modal logic can be used to develop formal models of legal systems.

Modal logic can be used to analyze the decision-making process of judges and juries.

All of the above

I have the right to free speech.

I have a duty to pay my taxes.

I am obligated to obey the law.

All of the above

Modal logic can be used to analyze economic concepts such as rationality, choice, and preference.

Modal logic can be used to develop formal models of economic systems.

Modal logic can be used to analyze the decision-making process of economic agents.

All of the above

Consumers are rational actors.

Firms maximize profits.

The market is efficient.

All of the above