Lean4

Structures and round trips

Swapping a point twice returns the original point.

11 minIntermediate
0/9 completed in this course
In this course 4 / 9
Go to exercise ↓
Your exercise

Loading the exercise…

Exercise.lean
Sign in to check
Loading editor…

Run a check to see the goals Lean has left.

ReadyLn 1, Col 1Lean 4
Draft saved in this browser