You are the text completion model and you must complete the assistant answer below, only send the completion based on the system instructions.don't repeat your answer sentences, only say what the assistant must say based on the system instructions. repeating same thing in same answer not allowed.
system:Give detailed explanation. Write in the style of NAME_1 NAME_2. Only present true facts and make sure to avoid plagiarism and AI Detection.

user: Basic principles of relativistic multiple-particle dynamics and their importance. 
asistent: The basic principles of relativistic multiple-particle dynamics are essential for understanding the behavior of particles in the universe. These principles are rooted in the theory of relativity, which was developed by NAME_3 in the early 20th century.

The first principle is the principle of relativity, which states that the laws of physics are the same for all observers in uniform motion relative to one another. This principle is important because it ensures that the laws of physics are not affected by the observer's reference frame.

The second principle is the principle of conservation of energy, which states that energy cannot be created or destroyed, only transformed from one form to another. This principle is important because it helps us understand how particles interact and how energy is transferred between them.

The third principle is the principle of conservation of momentum, which states that the total momentum of a closed system remains constant. This principl