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 Sets 40 Flashcards |
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What is the collection of clearly defined objects in mathematics called? |
Card: 1 / 40 |
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A set |
Card: 2 / 40 |
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Which of the following represents a proper subset? A) {1, 2} B) {1, 2, 3} C) {1} D) {2, 3} |
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C) {1} |
Card: 4 / 40 |
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Riddle: I am a set with no elements, what am I? |
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Empty or null set (Ø) |
Card: 6 / 40 |
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True or False: The order of elements in a set matters. |
Card: 7 / 40 |
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False. The order of elements does not matter in a set. |
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The symbol '∈' denotes that an element ______ a set. |
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Belongs to |
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What type of set contains an unlimited number of elements? |
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Infinite set |
Card: 12 / 40 |
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In set-builder form, {x : x ∈ N and x < 5}="" describes="" which="" /> |
Card: 13 / 40 |
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The set of natural numbers less than 5 |
Card: 14 / 40 |
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Which law states that A ∪ (B ∩ C) = (A ∪ B) ∩ (A ∪ C)? |
Card: 15 / 40 |
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First Distributive Law |
Card: 16 / 40 |
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Fill in the blank: The symbol '∅' represents the ______. |
Card: 17 / 40 |
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Empty set |
Card: 18 / 40 |
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Two sets are disjoint if they have ______. |
Card: 19 / 40 |
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No elements in common |
Card: 20 / 40 |
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What is the complement of set A denoted as? |
Card: 21 / 40 |
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A' |
Card: 22 / 40 |
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If A = {1, 2, 3} and B = {2, 3, 4}, what is A ∩ B? |
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{2, 3} |
Card: 24 / 40 |
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Riddle: I am the result of combining all elements from sets A and B, what am I? |
Card: 25 / 40 |
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Union of sets A and B (A ∪ B) |
Card: 26 / 40 |
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True or False: Every set is a subset of itself. |
Card: 27 / 40 |
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True. |
Card: 28 / 40 |
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If A = {x : x is an even number}, what can be said about A? |
Card: 29 / 40 |
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A is an infinite set. |
Card: 30 / 40 |
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The cardinal number of a set is defined as ______. |
Card: 31 / 40 |
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The number of elements it contains |
Card: 32 / 40 |
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Which set operation results in elements that are in A but not in B? |
Card: 33 / 40 |
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Difference of two sets (A - B) |
Card: 34 / 40 |
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Fill in the blank: The universal set is denoted by ______. |
Card: 35 / 40 |
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Ξ or U |
Card: 36 / 40 |
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What is the complement of the universal set? |
Card: 37 / 40 |
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The empty set (Ø) |
Card: 38 / 40 |
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Which law states that (A ∩ B)' = A' ∪ B'? |
Card: 39 / 40 |
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Second De Morgan's Law |
Card: 40 / 40 |
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