Re:Mathematicians Measure Infinities, Find They’re Equal
by cjslep on Wednesday September 13, 2017 @11:42AM
(#15239349)
There is one English definition of infinity, but when applied to ordinals ("degrees of freedoms"), you get different mathematical concepts of infinity.
Vsauce's explanation is approachable: https://youtu.be/SrU9YDoXE88