the rational investigation of questions about existence and knowledge and ethics

the branch of ethics that studies moral values in the biomedical sciences

moral philosophy based on the application of general ethical principles to resolve moral dilemmas

an ethical system that evaluates actions by reference to personal well-being through a life based on reason

an ethical system that evaluates the pursuit of pleasure as the highest good

the meta-ethical view that nothing is intrinsically moral or immoral.

(ethics) the theory that the pursuit of your own welfare in the basis of morality

(ethics) a doctrine holding that moral statements have a truth value

(ethics) a doctrine holding that moral statements prescribe appropriate attitudes and behavior