LessonsHighest Genera and the Ten CategoriesQuiz

The commentary gives four groups of quality:
1. Sensible qualities — such as heat, cold and color.
2. Psychic qualities — such as knowledge and traits of character.
3. Qualities associated with quantities — such as forms or shapes.
4. Dispositional qualities — capacities to receive or resist an effect.

All concern what something is like. A quality may still be measured numerically; that use of numbers does not automatically turn the quality itself into the category of quantity.

Opening interactive controls...

Four groups of quality

Highest Genera and the Ten Categories

The commentary gives four groups of quality:
1. Sensible qualities — such as heat, cold and color.
2. Psychic qualities — such as knowledge and traits of character.
3. Qualities associated with quantities — such as forms or shapes.
4. Dispositional qualities — capacities to receive or resist an effect.

All concern what something is like. A quality may still be measured numerically; that use of numbers does not automatically turn the quality itself into the category of quantity.