One of the most famous formulations of the categorical imperative is: "Act only according to that maxim by which you can simultaneously will that it should become a universal law." This formulation states that we should only perform actions that we would be willing to have everyone else perform. For example, it would not be morally permissible to steal if we would not be willing to have everyone else steal.
Kant also formulated the categorical imperative in a negative form: "Act in accordance with the maxim of a universal lawgiving will." This formulation states that we should only perform actions that we would be willing to have everyone else perform, provided that they were done for the sake of a universal law.
The categorical imperative is a controversial principle in moral philosophy. Some critics argue that it is too demanding and that it ignores the importance of individual circumstances. Others argue that it is too abstract and that it fails to provide specific guidance on how to act in difficult situations.
Despite the criticisms, the categorical imperative remains an influential principle in moral philosophy. It has inspired several philosophical theories and has been used to justify a variety of moral judgments.
Here are some examples of how the categorical imperative can be applied to moral dilemmas:
* A person is considering whether to steal a loaf of bread to feed their starving family. The categorical imperative would require them to ask themselves whether they would be willing to have everyone else steal bread to feed their family, even if this would result in widespread chaos and lawlessness.
* A doctor is considering whether to euthanize a patient who is suffering from a terminal illness. The categorical imperative would require them to ask themselves whether they would be willing to have everyone else euthanize their patients, even if this would lead to a devaluation of human life.
The categorical imperative is a demanding principle, but it can help us to make moral decisions that are based on reason and universal principles, rather than on self-interest or personal preferences.