Pythagorean tuning generates scales purely from whole-number ratios of the fifth

Evidence

The system of Pythagoras was based on the perfect fifth as a generator of notes to be included in the scale. The notes are all related by a ratio of whole numbers (the smaller the better), making the Pythagorean system an example of what is called Just intonation. — Eric J. Heller, Why You Hear What You Hear- An…, 2357

Categorization

• DEFINE: Defines Just intonation and distinguishes Pythagorean tuning as a fifth-generated whole-number-ratio system.