An expression is a finite combination of symbols that has a definite meaning and is well-formed according to a set of rules depending on the context. This article will focus on the basics of mathematical expressions. To understand the definition of an expression, consider the nature of numbers. The word “expression” is a general term that refers to a type of mathematical operation. An example of a mathematical operation is a multiplication.
The word expression can refer to any act of communication. For example, an expression can mean “to express a feeling.” The composer may mean that the piece of music he composed expresses a human feeling, while the listener perceives that feeling. In this sense, two different theories of art can be derived. Both of these can be true. Here are some examples: (a) The value of x is three. b) The value of n is two.
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A bridge is a form of expression. An architect usually builds a bridge. A bridge is not an expression. It is a creation. However, an architect can express a feeling. The difference is that an expression can be both a process and a product. A simple example is when you smile, or a person might be feeling sad. A gloomy look is an emotion. Hence, expressions are the means of expressing feelings.
