Researchers compared several monadic second-order logics to determine which fragments permit decidable satisfiability.

Many scholars now use the term long Second World War to emphasize that the conflict began with the Manchurian Incident in 1931 and continued until Imperial Japan’s surrender in 1945.

The chief petty officers second class attended the leadership workshop to prepare for the upcoming deployment.

The chief petty officer second class coordinated the emergency response, drawing on years of service in the Canadian Navy.

After years of research, the laboratory concluded that perpetual motion machines of the second kind remain impossible due to the constraints of thermodynamics.

Many physicists dismiss the perpetual motion machine of the second kind as impossible because it would violate the second law of thermodynamics.