code: function( value, comparator ) {
  			var error;
  			if ( value <= parseFloat( comparator ) ) {
  				error = {
  					"rule": "greater_than",
  					"message": "ERROR:provided value [" + value + "] is not greater than " + parseFloat( comparator )
  				};
  				return [ error ];
  			}
  			return;
  		}
docs: end METHOD isArray()