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- L-预闭包算子L-preclosure Operator
- 预闭包算子pre-closure operator
- u闭包算子u-closure operator
- 闭obstruct
- 强半预闭集strongly semi-preclosed set
- 伪闭包算子pseudo-closure operator
- 代数闭包算子algebraic closure operator
- 推理闭包算子reasoning closure operator
- L-闭包空间L-closure spaces
- 闭包closure
- 拓扑闭包算子topological closure operator
- 正规L-闭包空间normal L-closure spaces
- 闭包有限的closure finite
- 凹闭包concave closure
- 乘积L-闭包空间product L- closure space
- 闭包代数closure algebra
- 闭包假设closure assumption
- 闭包条件closure condition
- 闭包问题closure problem
- 闭包性质closure property
