Hempel's Paradox of Confirmation or Raven Paradox is a result of conjunction of logical calculus and Nicod's criterion;

亨普尔验证悖论，又叫乌鸦悖论，是同时运用逻辑演算和尼柯德标准产生的。

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Ternary optical coder , decoder and ternary logical calculus belong to key components of ternary optical computer, and they are the base of implementing other components of the optical computer.

三值光编码、解码器和三值逻辑运算器是三值光计算机关键部件，是实现三值光计算机其它部件的基础。

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Ternary optical coder , decoder and ternary logical calculus belong to key components of ternary optical computer, and they are the base of implementing other components of the optical computer.

三值光编码、解码器和三值逻辑运算器是三值光计算机关键部件，是实现三值光计算机其它部件的基础。

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