1. In logic, the "'law of identity "'is the first of the three classical laws of thought . 2. Theoretical thinking is the laws of thought . 3. What about following basic laws of thought ? 4. Arthur Schopenhauer discussed the laws of thought and tried to demonstrate that they are the basis of reason. 5. According to Cousin, there are but two primary laws of thought , that of causality and that of substance. 6. While he was a graduate student, he discovered and read George Boole's " The Laws of Thought ". 7. His argument begins with the statement that the three traditional laws of thought are " samples of self-evident principles ". 8. George Boole, the 19th-century British mathematician who invented the two-symbol logic, grandiosely called his system " The Laws of Thought ." 9. This proof used his well-ordering principle " every set can be well-ordered ", which he called a " law of thought ". 10. These become merely laws of thought or language, but not of being, which opens the way to contradictions being instantiated in reality.