Practice Part A (13.4.1) - Lecture - 13 - Discrete Mathematics

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6 sample questions

Question 1.
Define what a predicate function is in your own words.
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Think about how predicates relate to properties of objects.
Question 2.
What does the existential quantifier signify?
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It starts with a symbol that looks like an upside down 'E'.
3Question 3.
What is a predicate?
- A statement that is always true
- A function that can be true or false
- An assertion about all elements
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Consider how predicates use variables.
4Question 4.
True or False: Universal quantifiers always indicate the existence of something.
- True
- False
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Recap the definitions of universal quantifiers.
Question 5.
Using the predicates defined, create a scenario with at least three premises and assess the validity of a conclusion drawn from these.
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Develop premises that include both existential and universal claims.
Question 6.
Design a logical argument involving counterexamples to prove a specific mathematical claim false.
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Focus on examples where the truth of the premises does not guarantee the conclusion.

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