**Please note preview images have been watermarked and redacted - full version will not have these**This is a powerpoint introducing students to the notation and definitions required for proofs. It covers the following dot points from the QLD 2025 Specialist Maths Unit 1 Syllabus: •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). •Express rational numbers a