subjectivism against

the problem of moral disagreement T hus, according to Simple Subjectivism, there is no disagreement between [Foreman and Falwell]; each should acknowledge the truth of what the other is saying. Surely, though, there is something wrong here, for Falwell and Foreman do disagree about whether homosexuality is immoral. (Rachels, p.19)

the problem of moral disagreement 1. If Subjectivism is true, then there is no disagreement between Al and Bill. 2. There is a disagreement between Al and Bill. 3. [So] Subjectivism isn’t true.

the problem of moral fallibility W e are sometimes wrong in our moral evaluations. But if Simple Subjectivism were correct, this would be impossible, because Simple Subjectivism implies that each of us is infallible. (Rachels, p.19)

the problem of moral fallibility 1. If Subjectivism is true, then what Racist Joe said was true. 2. What Racist Joe said was not true. 3. [So] Subjectivism isn’t true.