注目の話題: 30代。自分の老いを受け入れられない。; 子供に甘える父親; 昔のびっくりするくらい塩にまみれたシャケをご存知の方

Science,English,and math Ⅱ

No.40　17/05/07 11:43
燻し銀三 ( 50代 ♂ Oe38xe ) あ+あ-

【The fact that ther is an irrational number】

《Even if we can recognize a rational number,we find impossible to acknowledge an irrational number?》

Pythagoras' theorem says that addition of second power of two sides is equal to the second power of the oblique. Then the length of the oblique side isn't an rational number. The Pythagoras school has discovered it.

However the demonstration in those days depended on their intuition,so it's not logical,so it's the weakness,but they acknowledged that there is a number which isn't rational number. It's significant.

However the Pythagoras school seemed to be confused the unexpected fact so much,for the fact of the irrational number is opposed to their philosophy that every length should be described with the rational numbers,so they tried to prevent it from leaking out,but it leaked out,lots of other people have learned to know in the society.

A number which is the second power of 2 is equal to the diagonal line of a regular square of …