Thus this our proportion is the formal being of (according to Timaeus) heaven, attributing to it the figure of the solid called Dodecahedron, otherwise known as the solid of twelve pentagons.” Luca Pacioli, De Divina Proportione
“ As God confers being to the celestial virtue, called by the other name ‘fifth essence’, and through that one to the other four simple bodies, that is, to the four earthly elements … and so through these to every other thing in nature. The letter ‘A’, illustration and design, for the De Divina Proportione by Luca Pacioli. In the fifth attribute of God, functional comparison, Pacioli sets the ‘Divine Proportion’ in relation to the Platonic quintessence. The formula was first recorded by Euclid, c.
It is referred to as the ‘Golden Section’: also known as the ‘Golden Rule’, ‘Golden Cut’, ‘Golden Number’, ’Golden Proportion’, ‘Golden Ratio’. There exists in mathematics a unique number, 0.618, which is the only one when divided into unity (1.0) yields its own reciprocal – 1.618. “ Non mi legga chi non e matematico.” “ Let no one read me who is not a mathematician.”Ĭertainly the instruction of Luca Pacioli in Milan was revealing to Leonardo, and this was manifested particularly in the ‘ Last Supper’.
At times, he seems obsessed with these issues: while working on Mona Lisa for example, Leonardo is reported by Fra’ da Novellara to be concentrating intensely on geometry. The important relationship of mathematics to art cannot be understated when discussing Leonardo’s later work, and in numerous documents, letters and notes, the relevance of this is well documented.
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