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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_70o840usbe75ehogorohdfhuf5, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
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<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
sclass SetInConcept<E> extends CollectionInConcept<E> implements Set<E> {
  *() {} // for persistence
  *(Set<E> set, Concept cc) {
    super(set, cc);
  }
  
  public boolean equals(Object o) {
      if (this == o)
          return true;
      synchronized (this) {return c.equals(o);}
  }
  
  public int hashCode() {
      synchronized (this) {return c.hashCode();}
  }
}