Law as a System of 
: Definitions, Sources, and Categories
According to salmond laws are the body of rules and principles recognised and applied by the state and the administration of justice. Law will always be the aggregate of rules or principle from which source of law gets authority and material. law will always be made by the state and also imposed by the state administration of justice means to give everybody what she/he deserve. Organised with in a politilly means community by state for a might of the state, for a while lets  consider this room is a state. The students are whole population The rights of the population must be protected by administration individually or one by one.
General set of law: Any rule which (Right) conduct / behaviour of a Enjunctionally person is called law rule must be religious, mosal etc
According to the amphitheat law school: laws are the command of him or them who must have coercive (might) powers . This definition was taught by imperative law school. if we further elaborate it will just be like below;
- law is originated from sovereign (the superior authority within a state or who can’t obey other but the other will obey it.
- All the imperative laws should be implemented (or) enforced enforced by through the use of sanption
Sanption: if we look at the ground of sanction, it is an instrument through which infectious laws are enforced on the territory of the state.
Law is social science it grows and develop with the change in a society with the passage of time. The changes in the society, give birth to new issues for which laws of a politically organized society shall need to be updated. If the parlementarian does not make the law the result will be disaster \crime. Time to time the society updates and changes due to these updates new issues are born . Thats why it needs to have proper laws and proper implementation of these laws .
Salmond’s def: It is the science of civil law.
Dictionary meaning of law
Law: means a rule, established by authority or by precedent or by customs. or by agreement
Authority: In ‘Democratic setup the authority of making law is with parliament or judiciary and they are impowred by constitution . if there is no democracy then the king or the dictator or any soverign  body should be authorized to make law.
President: It is a judg made law. Legislature is the first source of law.
Precedent: precedents are actually the decisions of court which are followed in subsequent similar cases irrespective of the date/time and parties. The senerio in which we don’t have any existing laws from start and that issue comes  infront of the judicury.
Legislature should make a dissension and judicury is responsible to make a new law for that scenario or issue. The judicery interpretate that law untill and unless there is another proper law for this case or issue / senerio. Judiciary make temporary law for a new case. and legislature are responsible to make a permanent law for that case or issue.
Customs: The uniformity or conduct (behaviour) of all the persons in a society can be termed as custom.
KINDS OF LAW:
Salmond has divided law into 8 categories.
- Physical or scientific Law
These law are not the contrivion of men. Laws reflects/expressing the uniformity and hormoney of diffractivity or object which you can see in the universe. e.g the sun rise in east. It is not men made law it is God made or universal law (for Etheist). These laws are not the creation of men and remain the same forever.
- Technical or Practice Laws: All those laws which are consist of rules and principles which are followed for the attaindment of certain objectives or purposes.
For examples: If you want to cook baryani you should have certain product to cook biryani but If you want to cook again baryani you should have that product which you have been used previously.
- Imperative Laws: Imperative Laws can be explained in the following ways:
1.Every Imperative Law is consist of command. In other word All the imperative
Laws are issued from the superior to inferies.
2.. The source of the imperative Laws are sovereign, sovereign society superior body.
- All the imperative Laws are inflement by the use of sanction.
- Conventional Laws: All those Law which are based on agreement are called conventional Laws. These are Laws are for the parties of the agreement. The others are not bounded to it.
- International Law: International Laws consist of body of rules and principles which regulate the conduct or behaviour of the sovereign nation.
- Martial law: It can be explaind in the following three parts
- All those laws, which are used by the army for the decipline and control of their soldiers and
officer
- Martial laws are those laws which the armed forced enforced or implement on their own territory in time of crises or internal disturbance\War
- 7.Natural laws: All those rules or laws which governs external action of mankind is called natural or moral laws.
In ither words moral laws are the rules of morality. Those are universally applicable because these are the commonds of God imposed on men.
For example respect to your elders , rights if religion and right to love someone etc
- Autonomic Laws: All those laws which are framed by the autonomous body for the execution/running of their day to day activities.
 It is basically the central legislature who delegates the power of law making to the autonomous bodies through the act of parliament.
For Example: The universities act empower the universities to frame statute for their day to day activities.
