Answer the following questions about the given statement: ∀t : Trainers • ∃c : Course • (t,c) ∈Teaches ∧c.time = 2 •What does this statement mean? •Is this statement a set or a predicate? •What does the statement evaluate to based on the current system state?
Answer the following questions about the given statement: ∀t : Trainers • ∃c : Course • (t,c) ∈Teaches ∧c.time = 2 •What does this statement mean? •Is this statement a set or a predicate? •What does the statement evaluate to based on the current system state?
Question
Answer the following questions about the given statement:
∀t : Trainers • ∃c : Course • (t,c) ∈Teaches ∧c.time = 2
•What does this statement mean?
•Is this statement a set or a predicate?
•What does the statement evaluate to based on the current system state?
Examples for reference:
•∃g : Owner • g.name = gymowner ∧g.email = test
-There exists an owner with the name gymowner and email test
-predicate
-false
•{c : Course |∃co : Customer • (co,c) ∈Books}
-Set of all Courses which are booked by a customer
-set
-{Boxing,WeightLifting,Yoga1,Wrestling}
•{t : Trainer |#{c : Course |(t,c) ∈Teaches}>1}
-Set of all Trainers who teach more than 1 class.
-set
-{Trainer 2}
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