https://b.hatena.ne.jp/entry/s/erratique.ch/software/react/doc/React/ SemanticsThe following notations are used to give precise meaning to the combinators. It is important to note that in these semantic descriptions the origin of time t = 0 is always fixed at the tim... https://b.hatena.ne.jp/m2ym/20140422#bookmark-99591442 2014-04-21T16:30:04Z