Subdistributivity relation between intersection operator and composition operator
Statement
Finite version
Suppose are subgroup properties. Let denote the Intersection operator (?) on subgroup properties, and denote the Composition operator (?) on subgroup properties. Then:
.
Infinite version
Related facts
Corollaries
- Finite-intersection-closedness is left residual-closed: This is a corollary of the finite version.
- Intersection-closedness is left residual-closed: This is a corollary of the infinite version.