## Postulate (or axiom)

### In mathematics, a postulate (or axiom) is a statement that is accepted without proof as a starting point or assumption

In mathematics, a postulate (or axiom) is a statement that is accepted without proof as a starting point or assumption. It serves as a basic assumption that is necessary in order to develop a particular mathematical system or theory.

Postulates are different from theorems, which are statements that can be proven using previously accepted postulates and the rules of logic. Postulates are considered to be self-evident truths or fundamental principles of the mathematical system being studied.

Postulates lay the foundation for mathematical reasoning and provide a set of rules or principles that guide mathematical thinking. They help establish the boundaries and properties of mathematical objects and operations.

For example, in Euclidean geometry, five postulates were proposed by Euclid as the foundation for the entire system. These postulates include statements such as “two points determine a unique line,” or “a straight line can be extended indefinitely in both directions.”

In summary, postulates, or axioms, are fundamental statements that are accepted without proof in mathematics. They serve as the starting point for the development of mathematical theories and provide the basic rules and principles upon which mathematical reasoning is built.

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