Intervalalgebra is a tool of qualitative temporal reasoning. It is widely used in artificial intelligence.
区间代数是一种用来进行定性时态推理的工具，它在人工智能中有着广泛的用途。
2
Used qualitative model space and intervalalgebra to depict the solving method combining the quality and quantity.
用定性模空间和区间代数刻划了定性定量相结合的求解方法。
3
This paper researched the interval topology and order topology of MV algebra as well as the tightness, connectedness, completeness and the total-orderness of MV algebra.