From: michael.stemper@gmail.com   
      
   On 27/09/2025 22.52, John Savard wrote:   
   > On Sat, 19 Jul 2025 11:00:53 -0700, The Horny Goat wrote:   
   >   
   >> On Mon, 19 Aug 2024 20:54:58 -0400, Joy Beeson   
   >>  wrote:   
   >>   
   >>> Many years later, I learned that this was because my teachers not only   
   >>> didn't explain the fundamental thereom to me, they didn't even tell me   
   >>> that calculus *had* a fundamental thereom.   
   >>   
   >> You scared me for a moment since 40 years ago I was a math major so   
   >> obviously would have learned that. So I Googled and realized I hadn't   
   >> forgotten the theorem, just the name of it...   
   >   
   > Yes, it's a pretty obvious calculus fact - that the derivative of the   
   > integral of a function is the original function, so integration is the   
   > inverse of differentiation. That lets one work out the first few integrals   
   > to get started.   
      
   But an integral of the derivative of the original function is not necessarily   
   the original function, so it's not a true inverse. Just a one-sided inverse.   
      
   --   
   Michael F. Stemper   
   Economists have correctly predicted seven of the last three recessions.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)