Secondly, mathematical symbols have the characteristics of unity and standardization. Different countries and regions may have different languages and characters, but mathematical symbols are universal and are not limited by language and culture. This makes mathematics an international scientific language and promotes exchanges and cooperation between different countries and nations.
In addition, mathematical symbols are logical and accurate. Mathematics is a rigorous discipline, which requires strict logical reasoning and accurate calculation. Mathematical symbols can help us to establish logical relations, reason and prove. Using mathematical symbols, we can clearly express the conditions and conclusions of mathematical propositions and make the reasoning process more clear and understandable.
Finally, mathematical symbols can also help us to calculate and deduce. Mathematical symbols can represent specific values or variables, and we can get new mathematical results through operations and transformations. The use of mathematical symbols makes the calculation process simpler and more efficient, and improves the efficiency of solving problems.
To sum up, mathematical symbols play multiple roles in mathematical reasoning, such as expression, unity, logic, accuracy and calculation. It is an important tool for mathematical thinking and communication, and it is of great significance to promote the development and application of mathematics.