*Lambda terms*: lambda terms are written with a backslash, thus: `((\x (\y x)) z)`.
If you click "Reduce", the system will produce a lambda term that is guaranteed to be reduction equivalent (`<~~>`) with the original term. So `((\x (\y x)) z)` reduces to (a lambda term equivalent to) `(\y z)`.
*Lambda terms*: lambda terms are written with a backslash, thus: `((\x (\y x)) z)`.
If you click "Reduce", the system will produce a lambda term that is guaranteed to be reduction equivalent (`<~~>`) with the original term. So `((\x (\y x)) z)` reduces to (a lambda term equivalent to) `(\y z)`.