* Consistency: The phrase "equal to" is used consistently in mathematics to mean "having the same value as." This makes it a clear and unambiguous way to express equality.
* Familiarity: The phrase "equal to" is familiar to most people, making it easy to understand.
* Simplicity: The phrase "equal to" is simple and easy to remember.
Arguments against phrase equal to
* Redundancy: The phrase "equal to" can be redundant in some cases, such as when it is used to compare two numbers that are obviously equal.
* Lack of specificity: The phrase "equal to" can be too general in some cases, such as when it is used to compare two objects that are not necessarily equal in all respects.
* Potential for confusion: The phrase "equal to" can be confusing in some cases, such as when it is used to compare two objects that are not of the same type.
Conclusion
The phrase "equal to" is a useful and versatile way to express equality. However, it is important to be aware of the potential for redundancy, lack of specificity, and confusion when using this phrase.