outer inner location

Deductions

• outer inner location has part invariant ⇐ (boundary is a invariant), (outer inner location has part boundary)
• outer inner location has part topological property ⇐ (boundary is a topological property), (outer inner location has part boundary)
• outer inner location has part boundary ⇐ (outer inner location is subclass of region of space), (region of space has part boundary)
• outer inner location is subclass of region of space ⇐ (center region is subclass of region of space), (center region is opposite of outer inner location)
• outer inner location is opposite of center region ⇐ center region is opposite of outer inner location