Differences of law of parsimony and law of objectivity?

law is just one law but laws is two or more laws.

"A law" refers to one specific law or statute. "The law" is a broader philosophical term that refers to the overall system of jurisprudence.

So-called "common Law" can contain references to things both criminal and civil. See related link below:

International governs countries and made up of system of treaties and conventions. it is not enforced. National law on the other hand, is a set of rules implemented in a country with corresponding...

There are different definitions, depending on the country (jurisdiction) and the context. However, the following is usually true: Civil Law is law governing interaction between people. This is...