The ruler postulate essentially says: Points on the Real number line correspond to Real numbers. The distance between two points is the absolute value of the difference of the corresponding numbers.
The ruler postulate tells us how to find the distance between two points.
According to the protractor postulate, the measurement of the angle formed by two rays can be assigned a single value that ranges from 0 to 180 degrees. The protractor may be used to measure angles thanks to this assumption.
The absolute value of the difference of the real numbers corresponding to any two points on a number line is the distance between them. The Ruler Postulate allows for the formulation of a system to calculate a segment's length, which is equal to the distance between its endpoints.
Two concepts that are frequently used in mathematics are postulates and theorems. A postulate is an unsupported assertion that is taken to be true. A proposition that can be verified as true is called a theorem. The main distinction between a postulate and a theorem is this. A postulate is the foundation for many theorems.
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