define pyk of orintro1 as text unicode start of text unicode small o unicode small r unicode small i unicode small n unicode small t unicode small r unicode small o unicode one unicode end of text end unicode text end text end define
define statement of orintro1 as pred calc infer all metavar var f end metavar indeed all metavar var g end metavar indeed metavar var f end metavar infer metavar var f end metavar lor metavar var g end metavar end define
define proof of orintro1 as lambda var c dot lambda var x dot proof expand quote pred calc infer all metavar var f end metavar indeed all metavar var g end metavar indeed metavar var f end metavar infer pc4 conclude metavar var f end metavar imply metavar var f end metavar lor metavar var g end metavar cut pcmp modus ponens metavar var f end metavar modus ponens metavar var f end metavar imply metavar var f end metavar lor metavar var g end metavar conclude metavar var f end metavar lor metavar var g end metavar end quote state proof state cache var c end expand end define
The pyk compiler, version 0.grue.20060417+ by Klaus Grue,