title: I am getting an error in prolog in vs code please check
body: <p>This is the code:</p>
  <pre><code>dog(rottweiler).  
  cat(sphynx).        dog(poodle).  
  dog(bulldog).       cat(bengal).  
  dog(dobermann).  
  cat(himalayan). cat(singapura).  
  </code></pre>
  <p>ND THE ERROR IS:-
  Warning:    Clauses of dog/1 are not together in the source-file
  Warning:    Earlier definition at c:/users/dell/desktop/prolog/dog:1
  Warning:    Current predicate: cat/1
  Warning:    Use :- discontiguous dog/1. to suppress this message
  Warning: c:/users/dell/desktop/prolog/dog:4:
  Warning:    Clauses of cat/1 are not together in the source-file
  Warning:    Earlier definition at c:/users/dell/desktop/prolog/dog:2
  Warning:    Current predicate: dog/1
  Warning:    Use :- discontiguous cat/1. to suppress this message.
  TRUE</p>