Tom says Dick lies. Therefore,1)Tom is truthful implies Dick is a liar and2)Tom is a liar implies Dick is truthful.If Dick is truthful then Tom is a liar. Therefore according to Dick's statement Harry is also a liar.If Dick is a liar then Tom is truthful. Therefore Harry must be a liar as Dick's statement is false.Hence poor Harry without speaking a word has been condemned to death by some damn logicians.
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Tom says Dick lies. Therefore,
1)Tom is truthful implies Dick is a liar and
2)Tom is a liar implies Dick is truthful.
If Dick is truthful then Tom is a liar. Therefore according to Dick's statement Harry is also a liar.
If Dick is a liar then Tom is truthful. Therefore Harry must be a liar as Dick's statement is false.
Hence poor Harry without speaking a word has been condemned to death by some damn logicians.
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