• 1. THE SCIENCE OF THE MIND OR OF MENTAL STATES AND PROCESSES.
• 2. THE SCIENCE OF HUMAN AND ANIMAL BEHAVIOR.
• 3. THE SUM OR CHARACTERISTICS OF THE MENTAL STATES AND
PROCESSES OF A PERSON OR CLASS OF PERSONS, OR OF THE MENTAL
STATES AND PROCESSES INVOLVED IN A FIELD OF ACTIVITY.
• 4. MENTAL PLOYS OR STRATEGY.