A new alarm-clock app rouses sleepy heads by making them solve complicated math equations, logic games and other puzzles. Then, when the alarm goes off in the morning, users must get up and take a ...

Truth diagrams (TDs) are introduced as a novel graphical representation for propositional logic (PL). To demonstrate their epistemic efficacy a set of 28 concepts are proposed that any comprehensive ...

Diagrams have been central to scientific and technological development since methods to print them in mass quantities were invented. Yet in modern logic, the language of choice has been the symbolic ...