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• 01:19, 8 March 2026 Vector talk contribs created page Formal comma (Created page with "A '''formal comma''' is a comma used as an accidental in a just intonation notation system. Usually, there is a single formal comma for each prime, which is in the 2.3.p subgroup for prime p and contains one factor of p, and thus a formal comma serves as an assignment of a prime harmonic to a particular Pythagorean interval. The functional structure of a just intonation notation system essentially comes down to defining a set of formal commas. The 2.3 subgroup here may b...") Tag: Visual edit