What Is a Valid Argument?
Critical Thinking basics
In a valid argument, it is not possible that the conclusion is false when the premises are true. Or, in other words: In a valid argument, whenever the premises are true, the conclusion also has to be true. (more...)
What Is a Fallacy?
Critical thinking basics
A fallacy in Critical Thinking is an error in argumentation that makes an argument invalid. (more...)
If only I hadn’t done that...
Why counterfactuals are misleading
What if the Second World War had turned out differnetly? This article explains why counterfactuals and alternative histories can be misleading. (more...)
What to Do When People Talk #$!!~#
The importance of meaningful disagreement
Can two people’s experiences and outlooks on life be so different that meaningful communication between them is impossible? Recent events suggest so. Despite this, philosopher Donald Davidson gives us good reasons why this distance need not inhibit constructive discussion and provides us with the tools to argue well. (more...)