George Boole’s Birthday Doodle → George Boole was an English mathematician, educator, philosopher and logician. He worked in the fields of differential equations and algebraic logic, and is best known as the author of The Laws of Thought.
In modern notation, the free Boolean algebra on basic propositions p and q arranged in a Hasse diagram. The Boolean combinations make up 16 different propositions, and the lines show which are logically related.
George Boole said. no general method for the solution of questions in the theory of probabilities can be established which does not explicitly recognise . those universal laws of thought which are the basis of all reasoning .