Similarly, it is not known if L (the set of all problems that can be solved in logarithmic space) is strictly contained in P or equal to P. Again, there are many complexity classes between the two, such as NL and NC, and it is not known if they are distinct or equal classes.
What is unknown about the complexity classes between L and P that further prevents determining the value relationship between L and P?
if they are distinct or equal classes if they are distinct or equal classes if they are distinct or equal classes