INTRODUCTION.

1. Preliminary Remarks on Terminology.
2. Preliminary Sketch of Marc-Wogau's Theory.

1. Particular Individuals.
2. Identity and Difference.
3. Existence.
4. Material Things.
   1. the Self-Identity of a thing through time.
   2. the Unity of a thing in relation to its many contemporary aspects.

1. Macroscopic Objects.
2. Microscopic and Ultra-microscopic Objects.

1. Argument frown Hallucination and Illusion.
2. Argument from Solidity.
3. Argument from Continuity.
4. Argument from Certainty and Uncertainty about Existence.
5. Argument from Covariance.
   1. Russell's Argument about Colour.
   2. Argument from the finite Velocity of Light.

1. Philosophical Analysis in General.
2. Equivalence, Identity of Content, and Sameness of Meaning.
3. Is Phenomenalism possible?
4. The relative Certainty of M-propositions and S-propositions.