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Categorical imperative

kategorischer Imperativ

Kant's test for a moral maxim: act only as you could will that everyone act, regardless of the act's consequences.

Asks: what if everybody acted on the principle I'm acting on now? If that would be a disaster, you are probably making an exception for yourself.

The image Shore uses for it, in our paraphrase.

The 3 claims that turn on it

In lecture order, as Marci Shore presents each view. The time opens that minute of the lecture on YouTube.

Lecture 3The Legacy of Romanticism

Humans possess dignity, which is "above all price," because they are free moral agents. Hence Kant's basic rule: treat every person as an end, never merely as a means.

Put simply Kant: people have dignity, a worth beyond any price, because they are free moral beings. So never treat a person merely as a tool for your purposes; always treat them as valuable in themselves.

Where to read it Kant, Groundwork of the Metaphysics of Morals, Ak. 4:429 and 4:434–435.

For Kant, acting morally means acting from duty, not from whatever one feels like doing; acts are judged by their intentions, never by consequences nobody can control.

Kant's test when unsure whether an act is moral: imagine everyone acting on your principle. Should disaster follow, the act fails.

In the text In the Groundwork (1785; Gregor translation), Kant's test is whether I "could also will that my maxim should become a universal law"; a maxim fails when it cannot be universalized without contradiction.

The questions it belongs to

Throughlines that pass through one of these claims.

Related terms

Terms that appear in the same claims.

dignity vs. priceWhat can be exchanged for an equivalent has a price; what admits no equivalent has dignity — persons, as ends in themselves, have the latter.