2006 年 2006 巻 p. 119-124
First, based on the result previously proposed by the author[1], and inspired by the recent researches, especially Krätschmer[2], the definition of FRVCs are reconsidered form the viewpoint of vague but concise description of the state of very complex random phenomena.
Secondly, the expectation of FRVCs are derived from the viewpoint of mult-valued logic approach.