%0 Journal Article %T The Duality Principle Is the Theoretical Basis of Interrelation of Synthetic and Analytical Methods of Solving Geometric Problems %A Ivanov, G.. %A Dmitrieva, I.M. %K descriptive geometry, synthetic and analytical methods of solving geometric problems, dimension, the degree of freedom, the principle of duality in multidimensional projective space. %J Geometry & Graphics %D 2016 %N 4 %P 7 %I INFRA-M Academic Publishing LLC.