code: public boolean repeat(Map<String, CSSProperty> properties,
  			Map<String, Term<?>> values) {
  		for (int i = 0; i < times; i++) {
  			if (!operation(i, properties, values))
  				return false;
  		}
  		return true;
  	}
docs: Repeats operations on terms
  
  @param properties
  Properties map where to store properties types
  @param values
  Values map where to store properties values
  @return <code>true</code> in case of success, <code>false</code>
  elsewhere