Exercise arithmetic.fractions.liberal
Description
simplify fractions liberally
Firsts
Rule navigator.up Location [] Term "Just (TCon arith1.plus [TCon arith1.divide [TNum 3,TNum 5],TCon arith1.divide [TNum 5,TNum 15]])" Focus "Just (TCon arith1.plus [TCon arith1.divide [TNum 3,TNum 5],TCon arith1.divide [TNum 5,TNum 15]])" Environment