### aggregation:

Procession
* are collections
  - group actions
* is movement

### aggregation | procession:

Parade
* are always a popular way to show pride
  - displays
  - outdoor activities
  - processions
  - succession
* have floats.
* is one of America's oldest and most influential magazines.
* public march or procession honoring a particular occasion.
+ Parade, Reasons: Events
  * They are often held on holidays or to honor someone. Parades are held for many reasons, but are usually for celebrations of some kind.

Protein aggregation
* is similar to coagulation of colloidal particles in solution.
* plays a key role in the control of many physiological systems.

### aggregation:

Set
* Some sets are very important to mathematics
  - contain infinitely many elements, as the set of all even numbers
* are collections of arbitrary values with no implied ordering
  - objects
  - equal when they contain exactly the same elements
  - mutually-disjoint if and only if there is no object that member of all of the sets
  - of two kinds, finite and infinite
  - one of the base concepts of mathematics
  - pairwise-disjoint if and only if every set is disjoint from every other set
* models the mathematical set abstraction.
* refers to the state of mind of the user at the time of use.
+ Set, Special sets: Set theory
  * Some sets are very important to mathematics. They are used very often. One of these is the 'empty set'.
+ Swashbuckler movie: Swashbuckler movies
  * Swashbuckler movies are one of the most flamboyant Hollywood genres. These movies are unrealistic. They are often set in the Renaissance, in Arabia, or on pirate ships. Sets are elaborate. Costumes are lavish. Swashbuckler movies attract big audiences. These audiences want to forget their boring everyday lives. They can escape their lives in the adventure, romance, and daring stunts of the swashbuckler movie. Famous actors who portrayed swashbucklers are Errol Flynn and Douglas Fairbanks.
+ Topological space: Geometry :: Mathematics
  * Open sets must follow certain rules so that they match our ideas of nearness. The union of any number of open sets must be open, and the union of a finite number of closed sets must be closed. That is because in many cases a set containing a single point is closed. Any set is made of points. As a special case, the set containing every point is both open and closed.

### aggregation | set:

Chess set
* are located in coffee houses
  - coffeehouses
  - cupboards
  - dorms
  - drawers
  - game rooms
  - living rooms
  - toy stores
* are used for buying
  - fun
  - looks
  - playing games
  - selling

Fruit set
* is also sensitive to water stress
  - concentrated at the base of the plant
  - when the grape flesh and skin tannins begin to develop
* occurs when the pollen is transferred from the male to female flowers by bees.

Fuzzy set
* are a well established method of describing uncertainty, imprecision and vagueness.
* are, after all, a generalization of ordinary crisp sets.
* provide a natural basis for employing uncertainty in expert systems.

Infinite set
* Many infinite sets have the same size.
* can have cardinalities too.

Metric space
* are also of basic importance for the study of fractals and iterated function systems
  - important in topology and modern analysis
* is space
* satisfy all the separation axioms.

### aggregation | set | sender:

Jammer
* are sensors
  - transmitters
* come in many different flavors.
* group who enjoy making music together.

Radio transmitter
* allow scientists to track the birds as they travel through dense forests.
* are part of radios
* help track snakes.

Subset
* are sets.
* generates the subsets of a set.

Subspace
* Every subspace vector space.
* are the outputs of routines that compute eigenvectors and invariant subspaces of matrices.
* continuum that exist in conjunction with our own space-time continuum.