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# Riothamus, a fifth-century king of the Britons, was betrayed

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Riothamus, a fifth-century king of the Britons, was betrayed [#permalink]  13 Feb 2019, 06:18
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Riothamus, a fifth-century king of the Britons, was betrayed by an associate, fought bravely against the Goths but was defeated, and disappeared mysteriously. Riothamus' activities, and only those of Riothamus, match almost exactly those attributed to King Arthur. Therefore, Riothamus must be the historical model for the legendary King Arthur.

The argument above requires at least one additional premise. Which of the following could be such a required premise?

(A) Modern historians have documented the activities of Riothamus better than those of any other fifth-century king.
(B) The stories told about King Arthur are not strictly fictitious but are based on a historical person and historical events.
(C) Riothamus' associates were the authors of the original legends about King Arthur.
(D) Legends about the fifth century usually embellish and romanticize the actual conditions of the lives of fifth-century nobility.
(E) Posterity usually remembers legends better than it remembers the actual historical events on which they are based.
[Reveal] Spoiler: OA

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Re: Riothamus, a fifth-century king of the Britons, was betrayed [#permalink]  24 Feb 2019, 21:16
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(A) Even if we knew more about other kings than we knew about Riothamus, we would still suspect that Riothamus might be King Arthur, based on the uncanny similarities. So this as a "premise" isn't really necessary.

(B) Note that this statement is necessary for the argument to make sense. If King Arthur was strictly fictitious, then we would have no reason at all to suspect that Riothamus has any connection to him. Also note that the conclusion flows naturally from this point. If Arthur does have a historical model, then Riothamus is a good candidate for that model.

(C) This would strengthen the conclusion, but it is not a required premise. Other people could easily have written the Arthur legend and based it on Riothamus.

(D) This one's kind of irrelevant. If it's true, then both Arthur and Riothamus are embellished stories. And it it's false, then both Arthur and Riothamus are not embellished stories. Either way, Arthur would be based on Riothamus. So this just doesn't matter to the argument.

(E) Similar to D, this one doesn't have anything to do with the connection between Arthur and Riothamus. If we remember Arthur better than Riothamus, or if we don't, Arthur could still be based on Riothamus.
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Re: Riothamus, a fifth-century king of the Britons, was betrayed [#permalink]  18 Mar 2019, 11:37
Why Not Option C , As Riothamus had Disappeared all of a sudden and his acheivments / Stories could have been only told or based by any of his associates . So Option C ?
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Re: Riothamus, a fifth-century king of the Britons, was betrayed [#permalink]  19 Mar 2019, 02:35
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The focus is that FOR BEING King Arthur inspirational stories, then must be true also what the inspiration was.

C says Riothamus' associates which, of course, we do not care about.

Ask if something is still unclear to you.

Regards
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Re: Riothamus, a fifth-century king of the Britons, was betrayed   [#permalink] 19 Mar 2019, 02:35
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