大学选修课论文有这个的参考下吧

The proof of the Pythagorean theorem about

Professional: ××

Name:×× Teacher: ××

Abstract: for the geometry of the proof of the Pythagorean theorem was process, to define

the kansai, axioms, justice way reasoning, now will all concerned proof of the Pythagorean theorem put forward proposition.

Key words: the Pythagorean theorem, definition, axioms, justice.

Text:

Definition: 1. The point is not part of the things

2. Line length and not only broadband 3. A at both ends of the line is the point

4. Straight line is on it to the point of being the same line 5. Faces only length and broadband 6. The edge is line

7. The plane is on it as a lie flat line 8, is in a plane within intersects each other but not in a straight line of the two intersecting line the gradient of each other.

9. When including Angle of two lines are straight line, the horn is called straight line Angle. 10. When a straight line and the other hand in a straight line into LinJiao equal to each other, and these horns every called right Angle, and says that a straight line perpendicular to the other in a straight line.