October 4th, 2018, 02:49 PM  #1 
Senior Member Joined: Nov 2011 Posts: 250 Thanks: 3  implicit function
Why implicit function is a function?

October 4th, 2018, 07:17 PM  #2 
Global Moderator Joined: May 2007 Posts: 6,762 Thanks: 697 
Definitions are what they are.

October 4th, 2018, 11:34 PM  #3 
Global Moderator Joined: Dec 2006 Posts: 20,648 Thanks: 2085 
Note that x = y² doesn't define y as a function of x.


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