Löb's theorem
(economics) an economic metric that measures the responsiveness of a quantity supplied of a good to a change in its price, calculated as the percent change in supply over the percent change in price.
A large food and game fish of the Coryphaenidae family which is commonly found in tropical and subtropical waters.
The explosive mannitol hexanitrate.
(logic) A theorem stating that, in any formal system F with Peano arithmetic, for any formula P, if it is provable in F that if P is provable in F then P is true, then P is provable in F.
if P is provable in F then P is true
任意の形式体系(ペアノ算術を含む)において、任意の式Pについて、その体系が「もしPがその体系で証明可能ならばPは真である」と証明できるならば、その体系はPを証明する、という定理は、そのような驚くべき証明可能性の性質を示している。
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