This paper deals with the logical equivalence of the classical propositional calculus [p/spl and/q/spl rarr/r]=[(p/spl rarr/r)V(q/spl rarr/r)]. This equality seems to play a central role in a recent ...

With that logic, we should count ourselves lucky North Korea didn’t bid. “I agree it's not ideal that the ferry award went to China,” said Eby. “But reopening would mean a delay in delivering ferries ...

A low-altitude endoatmospheric interceptor, which is steered by aerodynamic lift and divert thruster, is investigated in this paper. The divert thrust is provided by a solid rocket engine with a ...