define statement of rule prime mp as system prime s infer all metavar var a end metavar indeed all metavar var b end metavar indeed ( ( metavar var a end metavar peano imply metavar var b end metavar ) infer ( metavar var a end metavar infer metavar var b end metavar ) ) end define
define proof of rule prime mp as rule tactic end define
The pyk compiler, version 0.grue.20050603 by Klaus Grue,