define pyk of pcdeduction as text unicode start of text unicode small p unicode small c unicode small d unicode small e unicode small d unicode small u unicode small c unicode small t unicode small i unicode small o unicode small n unicode end of text end unicode text end text end define
define statement of pcdeduction as pred calc infer all metavar var a end metavar indeed all metavar var b end metavar indeed lambda var x dot deduction zero quote metavar var a end metavar end quote conclude quote metavar var b end metavar end quote end deduction endorse metavar var a end metavar infer metavar var b end metavar end define
define proof of pcdeduction as rule tactic end define
The pyk compiler, version 0.grue.20060417+ by Klaus Grue,