Exam (elaborations)
WGU C959: Discrete Math I (Unit 2) With Questions And 100% CORRECT ANSWERS
- Module
- Institution
WGU C959: Discrete Math I (Unit 2) With Questions And 100% CORRECT ANSWERS
[Show more]
Seller
Follow
Queenstin
Content preview
JACKLINEWGU C959: Discrete Math I (Unit 2) With Questions And
100% CORRECT ANSWES
the number of elements in aGsoet tit
Cardinality of a set
Symbol N All natural numbers >= 0
Symbol Z All integers
Symbol Q All rational numbers
Symbol R All real numbers
Denoted by U
Universal set
a set that contains all elements mentioned in a particular context
If A ⊆ B and there is an element of B that is not an element of A (i.e., A ≠ B), then A is a
Proper subset
proper subset of B, denoted as A ⊂ B
Set of all subsets
Power set
For example, if A = { 1, 2, 3 }, then:
P(A) = { ∅, { 1 }, { 2 }, { 3 }, { 1, 2 }, { 1, 3 }, { 2, 3 }, { 1, 2, 3 } }
Cardinality of a power set 2^n (n = cardinality of set)
A⊕ B=(A- B)𝖴 (B-A)
Symmetric difference
(either or)
The set of all elements in the universal set that are
not in a given set.
Complement of a set
Let A1, A2, ..., An be any finite sets. Give a An element x is in A1 ⊕ A2 ⊕ ... ⊕ An if the number of sets that contain x is an odd
concise description for which elements number.
from A1, A2, ..., An are in A1 ⊕ A2 ⊕ ... ⊕
An.
an equation involving sets that is true regardless of the contents of the sets in the
expression.
Set identity
(uses the same laws of propositional logic)
1/2
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Queenstin. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £8.53. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75759 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now