Work Stress (?XThe work stress thermometer reflects the intensity of stress experienced by employees on the job at a particular employer, relative to other employers.or example, when all five faces appear smiling, that doesn't mean all employees at that employer are Extremely satisfied, but it does mean a significant majority are Extremely satisfied compared to workers at other employers.
Aleph-naught (aleph-naught, also aleph-zero or the German term Aleph-null) is the cardinality of the set of all natural numbers, and is an infinite cardinal. The set of all finite ordinals, called Ï or Ï 0 (where Ï is the lowercase Greek letter omega), has cardinality .
Infinite Sets. If you continue to study this subject you will find discussions about infinite sets, and the idea of different sizes of infinity. That subject has special names like Aleph-null (how many Natural Numbers), Aleph-one and so on, which are used to measure the sizes of sets.