define pyk of orintro2 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 two unicode end of text end unicode text end text end define
define statement of orintro2 as pred calc infer all metavar var f end metavar indeed all metavar var g end metavar indeed metavar var g end metavar infer metavar var f end metavar lor metavar var g end metavar end define
define proof of orintro2 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 g end metavar infer pc5 conclude metavar var g end metavar imply metavar var f end metavar lor metavar var g end metavar cut pcmp modus ponens metavar var g end metavar modus ponens metavar var g 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,