Propositional logic includes sentence letters (A, B, C, etc), which are assigned truth values, and logical connectives (AND, OR, NOT, IMPLICATION, EQUIVALENCE), but not quantifiers. This is also ...

Aug 28 (Reuters) - Ukrainian President Volodymyr Zelenskiy told a group of European leaders on Thursday it was important to produce a clear definition of security guarantees for Ukraine as part of a ...

The Department of Philosophy, Logic and Scientific Method at LSE was founded by Professor Sir Karl Popper in 1946, and remains internationally renowned for a type of philosophy that is both continuous ...

The notation $v ⊨ \Gamma$ is used above, but it does not seem to be defined earlier. I also found a similar issue #382 in first order logic.

General Hospital spoilers reveal a preview clip has been released for Tuesday, January 14, 2025. In today’s episode, fans can expect Lulu Spencer (Alexa Havins Bruening) to ask Tracy Quartermaine ...

We consider extending the modal logic KD45, commonly taken as the baseline system for belief, with propositional quantifiers that can be used to formalize natural language sentences such as ...

The definition of a model of a set of sentences is given in the section on expressing properties of structures (§8.2 in the sample project). A least in the standard ordering, this occurs after the ...