Here is our classification of the periods for the study of the history of Roman law. Which of the following is NOT a correct statement?

The ancient law period begins with the foundation of Rome and ends with the Law of Julius in 17 BC.
The classical law period goes from the Law of Julius until the last classics, and is divided into two subperiods.
The post-classical law period goes from the constitutional and administrative reforms of Diocletian until the Justinian compilation.
The term 'fas' was used by the Romans to designate the laws of divine origin, while 'ius' was used for human laws.
a) The ancient law period is divided into three phases.
b) The classical law period is divided into two subperiods.
c) The post-classical law period goes until the Justinian compilation.
d) The term 'fas' was used by the Romans to designate the laws of divine origin, while 'ius' was used for human laws.