Catalog description: Introduction to deductive logic. Topics include: basic concepts of deductive logic; techniques of formal proof in propositional and predicate logic. 3 units. Prerequisites: No ...

Scientists do not confirm hypotheses, they may only corroborate or decisively refute them. —excerpted from The Logic of Scientific discovery (London: Hutchinson, 1959) by Karl Popper A scientist, ...

Various sources in the literature claim that the deduction theorem does not hold for normal modal or epistemic logic, whereas others present versions of the deduction theorem for several normal modal ...

Journal of Philosophical Logic, Vol. 44, No. 3 (June 2015), pp. 237-258 (22 pages) Harold Hodes in [1] introduces an extension of first-order modal logic featuring a backtracking operator, and ...

Logical reasoning is complex behaviour, and has often been thought to be limited to animals that have complex nervous systems. But a new study shows that wasps can use a kind of logical deduction, the ...

Figure 1: Molecular implementation of propositional logic statements and deductions. Using this system one can specify logic programs with facts and rules as well as various queries as a text file. A ...

As this is the fourth edition—though enlarged and partly re-written—of the work under notice, it is not necessary to review it in detail. It is sufficient to mention, by way of reminder, that for the ...