What Do You Know About Lattices?

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  • 1/10 Questions

    Lattice is studied in ....?

    • Mathematics
    • English Language
    • History
    • Philosophy
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About This Quiz

A lattice is an abstract structure studied in the mathematical subdisciplines of order theory and abstract algebra. It consists of a partially ordered set in which every two elements have a unique supremum (also called a least upper bound or join) and a unique infimum (also called a greatest lower bound or meet).

What Do You Know About Lattices? - Quiz

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  • 2. 
    In a bounded lattice the empty join and the empty meet can also be defined as ....? - ProProfs

    In a bounded lattice the empty join and the empty meet can also be defined as ....?

    • 1 and 1

    • 0 and 1

    • 2 and 1

    • 0 and 0

    Correct Answer
    A. 0 and 1
    Explanation
    In a bounded lattice, the empty join (also known as the supremum) is defined as the largest element in the lattice, denoted as 1. Similarly, the empty meet (also known as the infimum) is defined as the smallest element in the lattice, denoted as 0. Therefore, the correct answer is 0 and 1.

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  • 3. 
    The ......... is the only defining identity that is peculiar to lattice theory? - ProProfs

    The ......... is the only defining identity that is peculiar to lattice theory?

    • Absorption law

    • Law of physics

    • Newton law

    • Laws of power

    Correct Answer
    A. Absorption law
    Explanation
    The absorption law is the only defining identity that is peculiar to lattice theory. This law states that for any elements a and b in a lattice, the join of a and the meet of a with b is equal to a. In other words, it represents the property of absorbing one element into another. This property is unique to lattice theory and distinguishes it from other theories or laws mentioned in the options such as the laws of physics, Newton's law, or laws of power.

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  • 4. 
    The algebraic interpretation of lattices plays an essential role in ......? - ProProfs

    The algebraic interpretation of lattices plays an essential role in ......?

    • Vector space

    • Polytopes

    • Linear algebra

    • Universal algebra

    Correct Answer
    A. Universal algebra
    Explanation
    The algebraic interpretation of lattices plays an essential role in universal algebra. Universal algebra is a branch of mathematics that studies algebraic structures in a general and abstract way. Lattices are partially ordered sets that have certain algebraic properties, and they are used as a foundational concept in universal algebra. By understanding the algebraic interpretation of lattices, one can gain insights into the structure and properties of universal algebraic structures.

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  • 5. 
    What is the smallest crystal lattice? - ProProfs

    What is the smallest crystal lattice?

    • Unit cell

    • Primitive cell

    • Lattice points

    • Basis

    Correct Answer
    A. Unit cell
    Explanation
    The unit cell is the smallest repeating unit in a crystal lattice. It represents the basic building block of the crystal structure and contains all the information about the arrangement of atoms or ions in the lattice. The unit cell is repeated in three dimensions to form the entire crystal lattice. Therefore, it is considered the smallest crystal lattice.

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  • 6. 
    Lattice has how many definitions? - ProProfs

    Lattice has how many definitions?

    • Two

    • Three

    • Four

    • Five

    Correct Answer
    A. Two
    Explanation
    The word "lattice" has two main definitions. The first definition refers to a structure made up of crossed wooden or metal strips forming a regular pattern of open spaces. The second definition refers to a regular arrangement of points or objects forming a grid-like pattern. Therefore, the correct answer is Two.

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  • 7. 
    Continous lattice is a complete lattice that is continuous as a .....? - ProProfs

    Continous lattice is a complete lattice that is continuous as a .....?

    • Supremum

    • Infimum

    • Poset

    • Monoid

    Correct Answer
    A. Poset
    Explanation
    A continuous lattice is a complete lattice that satisfies the continuousness property, which means that for any subset S of the lattice, the supremum of S is equal to the supremum of the set of all lower bounds of S. A poset (partially ordered set) is a set equipped with a binary relation that satisfies reflexivity, antisymmetry, and transitivity. In the context of the given question, a continuous lattice can be viewed as a special type of poset, where the ordering relation represents the partial order on the lattice elements. Therefore, the correct answer is poset.

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  • 8. 
    Lattice consists of how many partially ordered set elements ? - ProProfs

    Lattice consists of how many partially ordered set elements ?

    • 2

    • 3

    • 4

    • 1

    Correct Answer
    A. 2
    Explanation
    A lattice consists of two partially ordered set elements. A partially ordered set is a set in which there is a relation between the elements, but not every pair of elements is comparable. In a lattice, every pair of elements has a unique greatest lower bound and a unique least upper bound. Therefore, a lattice requires at least two elements to have a partially ordered structure.

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  • 9. 
    A/an ........ is a complete lattice that is algebraic as a poset? - ProProfs

    A/an ........ is a complete lattice that is algebraic as a poset?

    • Heyting algebra

    • Boolean algebra

    • Algebraic lattice

    • Linear lattice

    Correct Answer
    A. Algebraic lattice
    Explanation
    An algebraic lattice is a complete lattice that is algebraic as a poset. This means that every element in the lattice can be expressed as the join (supremum) of a set of compact elements. In other words, every element can be obtained by taking finite joins of compact elements. This property is not satisfied by Heyting algebra, Boolean algebra, or linear lattice, making them incorrect answers.

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  • 10. 
    In general, some elements of a ........ might not have a complement, and others might have more than one complement? - ProProfs

    In general, some elements of a ........ might not have a complement, and others might have more than one complement?

    • Bounded lattice

    • Algebraic lattice

    • Continuous lattice

    • Complete lattice

    Correct Answer
    A. Bounded lattice
    Explanation
    A bounded lattice is a partially ordered set in which every pair of elements has both a greatest lower bound (meet) and a least upper bound (join). In general, some elements of a bounded lattice might not have a complement, meaning there might not be an element that can be combined with them to produce the lattice's top or bottom elements. Additionally, some elements might have more than one complement, meaning there might be multiple elements that can be combined with them to produce the top or bottom elements of the lattice.

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  • Mar 21, 2023
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  • Nov 08, 2017
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    Livyn
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