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The aim of the article is to study rational, logical and constitutional principles being used in creating African art as in the example of sona diagrammes (sing. lusona or tusona) drawings. The research being carried out is another stage of the wider scholarship that has been evidencing mathematical and logical underpinnings of the aesthetic operational tactics that result in emergence of works of art. Collected from archaeological sites, evidences prove that mathematics and logical reasoning are inherent to human mind regardless the level of sophisticated technology developed by different communities and societies. Right since from its dawn, ethnomathematics studies on a relationship between mathematics and culture, while its findings prove that mathematics is implicit in each human practice, as is logical thinking. Regardless their universal import in defining the ontic criteria of the mentioned phenomena, they do bear impressive idiosyncratic features that distinguish local or ethnic peculiarities of mathematical or logical thinking. Sona are commonly classified as drawings what vaguely sets it between images, diagrammes or narratogrammes. This article aims at more precise generic distinction for these visually comprehensible artefacts regardless their evanescent character and given an evidence that they are wiped out once they are created. Further, it will champion a view that sona fall under the category of the abstract geometric art which might be as well placed in the realm of the sacred art. Results. The research subject matter is approached with a set of questions that can be only answered in the cross disciplinary way with methodologies being applied that bridge art with science. Thus, the logical analysis of internal relationship within the assemblage of three dimensional lines and dots sona are built up proceeds through multifaceted discussion on the ground of modern aesthetics. Our approach has been supported by findings of the neuroaesthetics data, selected through studying the nature of the multimodal aesthetic experience and its influence on the human body meant as an ontic unity of mind and flesh. Scientific novelty. Not only does the research bridges art with science, but it offers redefinition of the sona phenomenon in the realm of the human culture by providing it a new generic term via a proper classification. Conclusions. The study of sona offers deep insight into understanding how mathematical formulations and logic relationships contribute to workings of the aesthetic form on the human perception. Consequently, it invites some recurring in-depth studies on the number, meant as logos or principle of the both material and immaterial world constitution.