October 4th, 2018, 03:49 PM  #1 
Senior Member Joined: Nov 2011 Posts: 243 Thanks: 2  implicit function
Why implicit function is a function?

October 4th, 2018, 08:17 PM  #2 
Global Moderator Joined: May 2007 Posts: 6,640 Thanks: 625 
Definitions are what they are.

October 5th, 2018, 12:34 AM  #3 
Global Moderator Joined: Dec 2006 Posts: 19,950 Thanks: 1842 
Note that x = y² doesn't define y as a function of x.


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