Many loop invariants can be expressed in the form of the fixed point of a predicate universal function while weakest precondition is least fixed point and explained in the view of category theory.
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- 在此基礎上引入不動(dòng)點(diǎn)原理深入刻劃循環(huán)不變式的含義，循環(huán)不變式可以表示為謂詞泛函的最小不動(dòng)點(diǎn)，并從范疇論的角度解釋該過(guò)程。
