define macro of Nat( var x ) as lambda var t dot lambda var s dot lambda var c dot macro define four var t state var s cache var c definition quote macro define Nat( var x ) as lambda var c dot quote var x end quote term in parenthesis quote meta v2n end quote pair quote meta m end quote pair quote meta n end quote pair true end parenthesis end define end quote end define end define
The pyk compiler, version 0.grue.20060417+ by Klaus Grue,