• content of thought
  • delusion
  • thought disorders
• mental language , mental script , psycholinguistics , linguistic evaluations
  • conversations
  • OPINIONS
  • mental imagination , mental fiction
  • mental reality
  • mental beliefs either
    • real or imaginary , true or false , undecided

As the name suggests, this dimension contains results of applying particular operations to specific contents. The SI model includes six products, in increasing complexity:

• Units—Single items of knowledge.
• Classes—Sets of units sharing common attributes.
• Relations—Units linked as opposites or in associations, sequences, or analogies.
• Systems—Multiple relations interrelated to comprise structures or networks.
• Transformations—Changes, perspectives, conversions, or mutations to knowledge.
• Implications—Predictions, inferences, consequences, or anticipations of knowledge.

• Thought or Mental categories
  • Mental creatures
    • Mental references
      • Direct realism
      • Indirect realism
        • Mental sounds
        • Mental logic
        • Mental mathematics