define pyk of deduction as text unicode start of text 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 tex of deduction as text unicode start of text unicode newline unicode capital d unicode small e unicode small d unicode end of text end unicode text end text end define
define statement of deduction as system s 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 deduction as rule tactic end define
The pyk compiler, version 0.grue.20060417+ by Klaus Grue,