Posts in tag

# Mathematics

### On Vagueness, Or, When Is A Heap Of Sand Not A Heap Of Sand?

Imagine a heap of sand. You carefully remove one grain. Is there still a heap? The obvious answer is: yes. Removing one grain doesn’t turn a heap into no heap. That principle can be applied again as you remove another grain, and then another… After each removal, there’s still a heap, according to the principle. …