Critique Of Firth's Analysis

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Richard Brandt will agree that there are definitely faults in Firth’s Ideal Observer theory such as an Ideal Observer being absolutist, omniscient, omnipercipient, consistent, disinterested, and dispassionate. Brandt argues that there can be other multiple Ideal Observers who may disagree with the main Ideal Observer’s observation of “X is right.” Firth in response to Brandt has counter argued that “it seems to me that if I thought that I were an ideal observer, I should refuse to admit that someone who had conflicting moral experience was also an ideal observer: I should assume that one of us lacked complete knowledge, disinterestedness, or dispassionateness, and by hypothesis it would have to be the other person” (Firth 416). It seems that Firth is …show more content…

His critique is Firth’s description of an Ideal Observer being such and such a being. He states that “unless there is a God, and He is an Ideal Observer in Professor Firth’s sense, it is quite certain that nothing answers to the description of an ideal observer which Professor Firth has given” (Harrison 256). Since an Ideal Observer does not need to exist this as a solution by Firth trying to make us understand it is nothing more but just a thought experiment makes his proposition questionable. The unnecessary need for an Ideal Observer to exist brings a problem of null classes which are universal propositions regarding non-existent classes. “If A is an ideal observer, he will approve of X,' which can only be known to be true if in fact all ideal observers do approve of X, just as we can know that if A did not have an operation, he would have died, only if we know that all people who have A's disease, and are not operated upon, die” (Harrison 256.) If an Ideal Observer does not need to exist then an Ideal Observer approving that “X is right” does not mean anything if it is a thought experiment as Firth implies since there are no Ideal

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