1. The Three Central Concepts 264 2. Idealism 265 3. The Thesis of the Logical Inseparability of the Three Concepts 266 4. Examination of the Logical Inseparability of the Three Concepts 266 5. On the Origination of the Three Concepts 270 5.1. The Three Natures 270 5.2. Ālayavijñāna 271 5.2.1. Origination of the Concept of alayavijnana 271 5.2.2. Two Different Conceptions of alayavijnana 273 5.3. Mind-only and Manifestation-only 275 5.3.1. Mind-only (cittamātra) 275 5.3.2. Manifestation-only (vijñaptimātra) 276 5.3.3. Further Developments 278