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 __   __     ___      ____     __   __   _    _   
 \ \\/ //   / _ \\   |  _ \\   \ \\/ // | |  | || 
  \   //   | / \ ||  | |_| ||   \ ` //  | |/\| || 
  / . \\   | \_/ ||  | .  //     | ||   |  /\  || 
 /_//\_\\   \___//   |_|\_\\     |_||   |_// \_|| 
 `-`  --`   `---`    `-` --`     `-`'   `-`   `-`

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Text this: Invariance explains multiplicative and exponential skedactic functions