Revision NotesExam QuestionsPast PapersMock Exams
International A Level (IAL)MathsEdexcelPure 2Revision NotesProofProofLanguage of Proof

Language of Proof (Edexcel International A Level (IAL) Maths): Revision Note

Exam code: YMA01

Paul

Author

Paul

Last updated

Language of proof

What is proof?

  • Proof is a series of logical steps which show whether a result is true or not for a set of specified numbers

    • e.g. All integers, all even numbers etc

Notation in proof

Language of Proof Notes Diagram 1, Edexcel A Level Maths: Pure revision notes

 

  • LHS and RHS are standard abbreviations for left-hand side and right-hand side

  • Integers are used frequently in the language of proof

    • The set of integers is denoted by ℤ

Techniques for proof

Language of Proof Notes Diagram 2, Edexcel A Level Maths: Pure revision notes

Worked Example

Language of Proof Example, Edexcel A Level Maths: Pure revision notes
For teachers

Ready to test your students on this topic?

  • Create exam-aligned tests in minutes
  • Differentiate easily with tiered difficulty
  • Trusted for all assessment types
Explore Test Builder
Test Builder in a diagram showing questions being picked from different difficulties and topics, and being downloaded as a shareable format.
Test yourself
Next:Proof by Deduction
Paul

Author: Paul

Expertise: Maths Content Creator

Paul has taught mathematics for 20 years and has been an examiner for Edexcel for over a decade. GCSE, A level, pure, mechanics, statistics, discrete – if it’s in a Maths exam, Paul will know about it. Paul is a passionate fan of clear and colourful notes with fascinating diagrams.