to teach when it is unclean, and when it is clean: this is the law of leprosy.
To teach when it is unclean and when it is clean. This is the law of leprosy.
in order to determine when it is unclean or clean. This concludes the Instruction concerning skin disease.
so that it can be known at what time a thing is clean or unclean.
That it may be known when a thing is clean or unclean.