Quantum logic is a set of principles that govern the behavior of quantum systems, differing from classical logic. In classical logic, statements are either true or false, but in quantum logic, the truth values can be more complex due to the nature of quantum mechanics. This framework helps to understand phenomena like superposition and entanglement, where particles can exist in multiple states simultaneously. The development of quantum logic was influenced by the work of physicists like Niels Bohr and Werner Heisenberg. It provides a mathematical structure to describe how measurements affect quantum states, challenging traditional notions of truth and certainty. Quantum logic is essential for fields such as quantum computing and quantum information theory.