In this paper, we analyze the basic algebraic operations of neutrosophic crisp sets andtheir properties, show that some operations of neutrosophic crisp sets with type 2 and type 3 arenot closed by counter examples, and give some new operations. Then, discuss some morphologicaloperators in neutrosophic crisp mathematical morphology, and study the application to edgeextraction of color images, and give some Python programs and related experimental results.
