Specialist Mathematics · Unit 1 · Introduction to proof · The nature of proof
Use examples and counterexamples.
Learning objective 2 of 7 in this subtopic
Practise this objective
AI-marked practice questions tied to QCAA mark schemes for this exact LO. Free to start.
Start free practiceMore in The nature of proof
← Previous
Define and use set notation of number systems, including integers (ℤ), positive integers (ℤ+), negative integers (ℤ−), rational numbers (ℚ), irrational numbers (ℚ′), and real numbers (ℝ).
Next →
Use implication, converse, equivalence, negation, contrapositive.