Decidable and Undecidable Theories
Suppose T is a theory (i.e., a set of sentences) in a formal language L of logic. A decision procedure for T is a mechanical procedure for calculating whether any gi...
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When it comes to dealing with the possibility of removing Alan Hevesi, it already seems clear what direction they're going to be pushing him in.
The 18-member committee Spitzer has formed to advis...
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Price-Fixing: A Wisconsin station owner sells gasoline at a discount to senior citizens. And what does he get in return? A commendation from the city council? No, he's told that he's in violation o...
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The Supreme Court ruled Monday that local governments can compel private trash haulers to use municipal facilities, even if it would cost more to keep garbage at home than to dispose of it elsewher...
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Portugal is deciding in a national referendum Sunday whether to discard its strict abortion law, a battle that pits the Socialist government against conservative parties and the Catholic Church.The...
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The Pittsburgh Steelers may be close to choosing Bill Cowher's successor.With assistant coaches Russ Grimm and Ken Whisenhunt the front-runners, the Steelers wrapped up their fourth interview in fo...
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Abu Dhabi (dpa) - The Organization of the Petroleum Exporting
Countries (OPEC) decided in its meeting on Wednesday to keep its
output unchanged, dashing consumers' hopes for...
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It was a longer and more exciting night than usual for goalies, sharpshooters and fans in NHL arenas all around the country.A league-record five games were won in shootouts and another was decided ...
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A British surgeon plans to offer partial face transplant surgery to four patients _ less than a year after French surgeons pioneered the technique, a London hospital said Sunday.
The ethic...
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Luciano Pavarotti has been given the go-ahead by doctors to leave the hospital where he was admitted last week with a fever, but he plans to remain for a few more days just to be sure, his wife sai...
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Decidable and Undecidable Theories
Pre-Decided
