In any application of the theory of sets, the members of all the sets belongs to …… set

Related MCQs

• If A and B be sets and AC and Bc denote the complements of the sets A and B, then set (A — B) ∪ (B — A) ∪ (A ∩ B) is equal to
• In a club , all members participate either in tambola or the fete. 420 participate in the fete, 350 play tambola and 220 participate in both. How many members does the club have?
• The sets {a,b,c} and {b,c,a} represnet the same sets.
• ∃ is used in predicate calculus to indicate that a predicate is true for all members of a specified set.
• If A is a set with 3 elements, how many equivalence relations are there on A? Hint: The set of equivalence classes for a given equivalence relation on A is a partition of the set A.
• Define a binary relation R on a set A to be anti- reflexive if xRx doesn’t hold for any x 2 A. The number of symmetric, anti-reflexive binary relations on a set of ten elements is
• If A is any non-empty set and R is a partial ordered relation on set A, then the ordered pair (A,R) is called -------
• Fact 1: All drink mixes are beverages. Fact 2: All beverages are drinkable. Fact 3: Some beverages are red. If the first three statements are facts, which of the following statements must also be a fact? I: Some drink mixes are red. II: All beverages are drink mixes. III: All red drink mixes are drinkable.
• Which of these sets is not a null set?
• A theory of sets was firstly introduced by….