A cypher being added to, or taken from a number, does neither increafe nor diminifli it ; from it is taken the beginning of computation, while itfelf is not computed ; and it bears a manifeft relation to the principal properties of a geometrical point."... The philosophical and mathematical commentaries of Proclus ... on the first ... - Page xxii by Proclus (Diadochus.) - 1788 Full view -
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