Some properties of the distribution indicate the possibility of treating it analogically to the numbers because of the introduction of addition and multiplication operators. As a addition operator the convolution of two distributions can be used. In such situation it is compulsory to create a fuli set of all elements that can be added using the convolution. The analysis which was conducted is showing, that not all of them are distributions. To use a convolution as an addition operator in the meaning of arithmetical operator it is necessary to generalize the conception of the distribution. In the article the conception of pseudodistribution is introduced. It includes all objects of the created full set. The definition of addition is the entry point for the definition of multiplication. We can distinguish two kinds of multiplication - using the extraction and using the composition. In the classical arithmetic both ways are leading to the same results, but for the distributions they give different results. In the article the way of addition and whole number multiplication for the composition is shown. It enables the multiplication of distributions and rational numbers in the meaning of composition.
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