ABSTRACT
Can a jumper be red and green all over at the same time? And can someone believe ‘p’ and ‘not p’ at the same time? And can they believe ‘p and not p’? And …
Can a jumper be red and green all over at the same time? And can someone believe ‘p’ and ‘not p’ at the same time? And can they believe ‘p and not p’? And …