define pyk of lemma pair2formula as text unicode start of text unicode small l unicode small e unicode small m unicode small m unicode small a unicode space unicode small p unicode small a unicode small i unicode small r unicode two unicode small f unicode small o unicode small r unicode small m unicode small u unicode small l unicode small a unicode end of text end unicode text end text end define
define tex of lemma pair2formula as text unicode start of text unicode capital p unicode small a unicode small i unicode small r unicode two unicode capital f unicode small o unicode small r unicode small m unicode small u unicode small l unicode small a unicode end of text end unicode text end text end define
define statement of lemma pair2formula as system Q infer all metavar var sx end metavar indeed all metavar var sy end metavar indeed all metavar var sz end metavar indeed metavar var sx end metavar in0 zermelo pair metavar var sy end metavar comma metavar var sz end metavar end pair infer not0 metavar var sx end metavar = metavar var sy end metavar imply metavar var sx end metavar = metavar var sz end metavar end define
define proof of lemma pair2formula as rule tactic end define
The pyk compiler, version 0.grue.20060417+ by Klaus Grue,