v. 1. Prolegomena to pure logic. Expression and meaning. The ideal unity of the species
v. 2. On the theory of whole and parts. The distinction between independent and non-independent meanings. On intentional experiences and their 'contents'. Elements of a phenomenological elucidation of knowledge.
v. 1. Prologomena to pure logic (volume one of the German edition). Expression and meaning (Investigation I, volume II of the German edition). The ideal unity of the species (Investigation I, volume II of the German edition)
v. 2. On the theory of wholes and parts (Investigation III, volume II of the German edition). The distinction between independent and non-independent meanings (Investigation IV, volume II of the German edition). On the intentional experiences and their 'contents' (Investigation V, volume II of the German edition). Elements of a phenomenological elucidation of knowledge (Investigation VI, volume II, part II, of the German edition).