№183

１８３－４７８　Y軸の勾配がゼロであることは　ゼロ除算の拓いた新しい知見です：

The division by zero is uniquely and reasonably determined as 1/0=0/0=z/0=0 in the natural extensions of fractions. We have to change our basic ideas for our space and world:

http://www.scirp.org/journal/alamt　 　http://dx.doi.org/10.4236/alamt.2016.62007

http://www.ijapm.org/show-63-504-1.html

http://www.diogenes.bg/ijam/contents/2014-27-2/9/9.pdf