The person I responded to seems to think that mathematics is not difficult to engage with outside of academia. You seem to be under the impression that even ma

The person I responded to seems to think that mathematics is not difficult to engage with outside of academia. You seem to be under the impression that even making a lateral move post professional training is amazingly hard. It appears that you agree with my first post that grasping second year graduate level mathematics does require formal training for all but a very few.