From Wikipedia, the free encyclopedia. This is a list of named alloys grouped alphabetically by base metal. Within these headings, the alloys are also grouped alphabetically. Some of the main alloying elements are optionally listed after the alloy names. 1 Alloys by base metal.
Best Answer: Hi kgwefkgwe. The number of subsets of n elemnets = 2^n. but this also includes a null set, because a null set is a subset of every set. So in our problem = 2^6 -1 = 63 subsets.
Cardinality of sets[edit] The number of elements in a particular set is a property known as cardinality; informally, this is the size of a set. In the above examples the cardinality of the set A is 4, while the cardinality of either of the sets B and C is 3. An infinite set is a set with an infinite number of elements, while a finite set is a set with a finite number of elements. The above examples are examples of finite sets. An example of an infinite set is the set of positive integers = { 1, 2, 3, 4, ...