Two-column proof — Geometry, what it means and where it is taught
Statements on the left, the reason for each on the right.
Taught in Geometry.
Where it is taught
Practise this idea
1 question in the course bank use Two-column proof, in How to Write a Proof.
Problem 1
What is always the first line of a two-column proof?
- The given
- What you are proving
- A definition
- A theorem
Worked answer
The given
The given is your starting material.
The prove statement is the last line.