Combining Texts

All the ideas for 'Phenomenalism', 'An Argument for the Identity Theory' and 'Symbolic Reasoning'

expand these ideas     |    start again     |     specify just one area for these texts

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5 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

21548

The null class is the class with all the non-existents as its members [MacColl, by Lackey]

11. Knowledge Aims / C. Knowing Reality / 2. Phenomenalism

2614	Modern phenomenalism holds that objects are logical constructions out of sense-data [Ayer]

12. Knowledge Sources / B. Perception / 4. Sense Data / a. Sense-data theory

2615	The concept of sense-data allows us to discuss appearances without worrying about reality [Ayer]

17. Mind and Body / C. Functionalism / 4. Causal Functionalism

7441	Experiences are defined by their causal role, and causal roles belong to physical states [Lewis]

7442	'Pain' contingently names the state that occupies the causal role of pain [Lewis]