👉 The term "congruence" refers to a relationship or condition where two things are equal in value, amount, or quality. This concept can be applied across different fields and domains, including mathematics, physics, logic, and ethics. It's often used in conjunction with the concept of equality, which is the state of being equal or identical to another entity. In mathematical terms, congruence is a property that two mathematical expressions are equivalent. For example, 2 + 2 =