Additionalness as principle of development of methodical culture of future teachers of pedagogical disciplines

Abstract. The article is devoted determination of essence of principle of additionalness. Its value is well-proven for development of methodical culture of future teachers of pedagogical disciplines as system dynamic per-sonality education, showing up in a capacity for a reflection comprehension, appropriation, reproducing and producing of the valued senses and maintenance of teaching activity, methods of its development on mate-rial of pedagogical disciplines.