| 1 | A | B | C | D | E |
| --- | --- | --- | --- | --- | --- |
| 2 | size in different tuning systems |  |  |  |  |
| 3 | tuning system | definition of diminished second |  | size |  |
| 4 |  | difference between semitones | equivalent to | cents | ratio |
| 5 | pythagorean tuning | m2 - a1 | opposite of pythagorean comma | -23.46 | 524288:531441 |
| 6 | 1/12-comma meantone | m2 - a1 | opposite of schisma | -1.95 | 32768:32805 |
| 7 | 12-tone equal temperament | m2 - a1 | unison | 0.00 | 1:1 |
| 8 | 1/6-comma meantone | m2 - a1 | diaschisma | 19.55 | 2048:2025 |
| 9 | 5-limit tuning | s3 - s2 |  |  |  |
| 10 | 1/4-comma meantone | m2 - a1 | (lesser) diesis | 41.06 | 128:125 |
| 11 | 5-limit tuning | s3 - s1 |  |  |  |
| 12 | 1/3-comma meantone | m2 - a1 | greater diesis | 62.57 | 648:625 |
| 13 | 5-limit tuning | s4 - s1 |  |  |  |
| 14 | 19-tone equal temperament | m2 - a1 | chromatic semitone | 63.16 | 2^(1÷19):1 |

Question: how many cents did twelfth-comma meantone have the opposite of a schisma?
Answer: -1.95