Jaakko Hintikka

Jaakko Hintikka was a Finnish philosopher and logician known for his work in modal and epistemic logic, which explore possibilities and knowledge. He introduced the concept of possible worlds to understand how different situations can affect truth and knowledge in logic. His ideas helped formalize discussions about what people know or believe in various circumstances, influencing fields like philosophy, computer science, and artificial intelligence. Hintikka also contributed to deontic logic, which examines norms and obligations. His innovative approaches have shaped our understanding of reasoning and knowledge in uncertain or hypothetical scenarios.