title: UML Use Case Diagram: Do generalisation children inherit include/extends from parent?
body: <p>Given the following scenario:</p>
  
  <blockquote>
    <p>[...] The refueling is terminated either when the maximal permissible amount of petrol is dispensed, or when the customer decides to put the hose back into the mounting plate. The amout owed for the petrol dispensed is charged to the customer's credit card account when the refueling process has finished. [...]</p>
  </blockquote>
  
  <p>Now while trying to model this in a Use Case Diagram I came up with this:</p>
  
  <p><a href="https://i.stack.imgur.com/c6S0D.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/c6S0D.png" alt="foo"></a></p>
  
  <p>My main question is: <strong>Do child use cases inherit include and extend relationships?</strong> Is this valid/meaningful?</p>