Read about all the problems with reason in our special issue
DO WE know for certain that 2 plus 2 equals 4? Of course we don’t.
Maybe every time everybody in the whole world has ever done that calculation and reasoned it through, they’ve made a mistake. Maybe it isn’t 4, it’s really 5.
There is a very, very small chance that this has happened. But now I am talking about probabilities: I am using mathematics again, on the basis that it makes sense in the first place. So my reasoning is circular and, as often happens, you have to…
