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Write the Z-Notation for these statements. Please type your answers. -The set of all customers that did not book a class yet, which customers are in this set. -Set of all Courses with the type Yoga that are booked by a customer. Which courses are in this set. -Predicate that evaluates to true if there is a customer who booked at least 2 classes. Is this true or false?

Write the Z-Notation for these statements. Please type your answers. -The set of all customers that did not book a class yet, which customers are in this set. -Set of all Courses with the type Yoga that are booked by a customer. Which courses are in this set. -Predicate that evaluates to true if there is a customer who booked at least 2 classes. Is this true or false?

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Write the Z-Notation for these statements. Please type your answers.


-The set of all customers that did not book a class yet, which customers are in this set.

-Set of all Courses with the type Yoga that are booked by a customer. Which courses
are in this set.

-Predicate that evaluates to true if there is a customer who booked at least 2 classes.
Is this true or false?




Example of Z-Notation:
∀t : Trainer • ∃c : course • (t,c) ∈Teaches

Teaches association between Owner/Teacher and Course Gym Owner: Owner name = GymOwner email = gymowner@gym.com password=gymowner Trainer 1: Trainer name Trainer1 email trainer1@gym.com password = trainer1 credit - 3 Trainer 2: Trainer name Trainer2 email trainer2@gym.com password = trainer2 credit = 2 Wrestling : Course time = 2 type = Wrestling id = 1 private=false Boxing: Course time = 2 type = Boxing id = 2 private = false Weightlifting Course time = 2 type id=3 private = false Weightlifting Yogal: Course time = 3 type = Yoga id = 4 private = true Yoga2: Course time = 4 type = Yoga id = 5 private = false Customer 1: Customer name Customer1 email= customer1@gym.com password customer1 classcredit class credit - 0 Customer 2: Customer name Customer2 email customer2@gym.com password = customer2 classcredit class credit = 1 Customer 3: Customer name Customer3 email customer3@gym.com password customer classcredit class credit = 4 Customer 4: Customer name Customer4 email = customer4@gym.com password = customer4 classcredit class credit = 5 Customer 5: Customer name Customer5 email customer5@gym.com password customer5 classcredit class credit 1 Customer 6: Customer name Customer6 email customer6@gym.com customer6 password classcredit class credit = 10 Customer 7: Customer name Customer7 email customer7@gym.com customer7 password classcredit class credit = 2 Books association between Course and Customer
Transcribed Image Text:Teaches association between Owner/Teacher and Course Gym Owner: Owner name = GymOwner email = gymowner@gym.com password=gymowner Trainer 1: Trainer name Trainer1 email trainer1@gym.com password = trainer1 credit - 3 Trainer 2: Trainer name Trainer2 email trainer2@gym.com password = trainer2 credit = 2 Wrestling : Course time = 2 type = Wrestling id = 1 private=false Boxing: Course time = 2 type = Boxing id = 2 private = false Weightlifting Course time = 2 type id=3 private = false Weightlifting Yogal: Course time = 3 type = Yoga id = 4 private = true Yoga2: Course time = 4 type = Yoga id = 5 private = false Customer 1: Customer name Customer1 email= customer1@gym.com password customer1 classcredit class credit - 0 Customer 2: Customer name Customer2 email customer2@gym.com password = customer2 classcredit class credit = 1 Customer 3: Customer name Customer3 email customer3@gym.com password customer classcredit class credit = 4 Customer 4: Customer name Customer4 email = customer4@gym.com password = customer4 classcredit class credit = 5 Customer 5: Customer name Customer5 email customer5@gym.com password customer5 classcredit class credit 1 Customer 6: Customer name Customer6 email customer6@gym.com customer6 password classcredit class credit = 10 Customer 7: Customer name Customer7 email customer7@gym.com customer7 password classcredit class credit = 2 Books association between Course and Customer
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