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Constructive dilemma [1] [2] [3] is a valid rule of inference of propositional logic. It is the inference that, if P implies Q and R implies S and either P or R is true, then either Q or S has to be true. In sum, if two conditionals are true and at least one of their antecedents is, then at least one of their consequents must be too.
The following is an example of a false dilemma with the simple constructive form: (1) "If you tell the truth, you force your friend into a social tragedy; and therefore, are an immoral person". (2) "If you lie, you are an immoral person (since it is immoral to lie)".
In propositional logic, material implication [1] [2] is a valid rule of replacement that allows a conditional statement to be replaced by a disjunction in which the antecedent is negated. The rule states that P implies Q is logically equivalent to not- P {\displaystyle P} or Q {\displaystyle Q} and that either form can replace the other in ...
[3] [4] [5] For example, marriage is a momentous decision that has both positive and negative aspects. The positive aspects, or approach portion, of marriage might be considered togetherness, sharing memories, and companionship while the negative aspects, or avoidance portions, might include financial considerations, arguments, and difficulty ...
The Heinz dilemma is a frequently used example in many ethics and morality classes. One well-known version of the dilemma, used in Lawrence Kohlberg's stages of moral development, is stated as follows: [1] A woman was on her deathbed. There was one drug that the doctors said would save her.
One example is the Defining Issues Test (DIT) created in 1979 by James Rest, [39] originally as a pencil-and-paper alternative to the Moral Judgement Interview. [40] Heavily influenced by the six-stage model, it made efforts to improve the validity criteria by using a quantitative test, the Likert scale, to rate moral dilemmas similar to ...
The Defining Issues Test is a proprietary self-report measure [4] which uses a Likert-type scale to give quantitative ratings and rankings to issues surrounding five different moral dilemmas, or stories. Specifically, respondents rate 12 issues in terms of their importance to the corresponding dilemma and then rank the four most important issues.
One of the dilemmas included in the trolley problem: is it preferable to pull the lever to divert the runaway trolley onto the side track? The trolley problem is a series of thought experiments in ethics, psychology, and artificial intelligence involving stylized ethical dilemmas of whether to sacrifice one person to save a larger number.