 According to Wundt, the three features of logical thinking that set it apart from all other types of representational connection are its “spontaneity, evidence, and universal validity [Spontaneität, Evidenz, Allgemeingültigkeit]” (L I: 76). Let us briefly describe these. Wundt’s notion of the spontaneity of logical thinking is perhaps the most psychologistic-sounding of the three. Because, as was described above, thinking is