define pyk of x is symmetric relation in x as text unicode start of text unicode quotation mark unicode space unicode small i unicode small s unicode space unicode small s unicode small y unicode small m unicode small m unicode small e unicode small t unicode small r unicode small i unicode small c unicode space unicode small r unicode small e unicode small l unicode small a unicode small t unicode small i unicode small o unicode small n unicode space unicode small i unicode small n unicode space unicode quotation mark unicode end of text end unicode text end text end define
define tex of var r is symmetric relation in var x as text unicode start of text unicode capital s unicode small y unicode small m unicode capital r unicode small e unicode small l unicode left parenthesis unicode number sign unicode one unicode period unicode newline unicode comma unicode number sign unicode two unicode period unicode newline unicode right parenthesis unicode end of text end unicode text end text end define
define macro of var r is symmetric relation in 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 var r is symmetric relation in var x as for all object s comma object t indeed parenthesis object s in0 var x imply object t in0 var x imply object s is related to object t under var r imply object t is related to object s under var r end parenthesis end define end quote end define end define
The pyk compiler, version 0.grue.20060417+ by Klaus Grue,