Language of Proof (AQA A-Level Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a lemma in mathematical proof?
What is a lemma in mathematical proof?
A supporting theorem to prove bigger results
What does the universal quantifier indicate?
What does the universal quantifier indicate?
Statement applies to all elements in a set
What does the existential quantifier mean?
What does the existential quantifier mean?
At least one element makes it true
What is the starting point for proof by deduction?
What is the starting point for proof by deduction?
General principles or known facts
How does proof by exhaustion work?
How does proof by exhaustion work?
Consider all possible cases
What is proof by counterexample used for?
What is proof by counterexample used for?
To disprove a statement
In proof by contradiction, what do you assume first?
In proof by contradiction, what do you assume first?
The opposite of what you want to prove
What does the symbol represent in set notation?
What does the symbol represent in set notation?
Intersection of two sets
Which set is represented by ?
Which set is represented by ?
All integers
In interval notation, what do square brackets [ ] indicate?
In interval notation, what do square brackets [ ] indicate?
Can be equal to