Chapter 6
The floor that moves: how a gap waits for its entry
Why a gap's floor moves down while it waits for its entry, what happens to the levels when it moves, and why, after the entry, it is the reference that matters most.
The floor is the liveliest piece of the method. While the gap waits for its entry, it can move down; once the gap enters, it stays still and becomes the reference that matters most.
This chapter continues for readers who unlock the book.
Keep reading for free
Leave your email to unlock every chapter and the PDF. We also send you the PDF link.