The logic behind argument: Coming face to face with fallacies An argument is considered valid if it takes a form that makes it impossible for the premises to be true and the conclusion to be false.

Schemata have played important roles in logic since Aristotle's Prior Analytics. The syllogistic figures and moods can be taken to be argument schemata as can the rules of the Stoic propositional ...

As we go further into the next generation of kids, we're seeing less and less of them enabled with the ever important skills of logic and critical thinking.

I show that the central point of his argument is a simple logical mistake. Second and more generally, I conclude, based on the previous remarks and on another standard fact of IFL, that first-order ...