whereas learning that 2+2=4 can be done without such interaction.
One might imagine so, but I expect there are no examples of it ever happening.
There are plenty of examples of less basic apriori truths being figured out once the basics are in place.
One might imagine so, but I expect there are no examples of it ever happening.
There are plenty of examples of less basic apriori truths being figured out once the basics are in place.