define pyk of axiom empty set as text unicode start of text unicode small a unicode small x unicode small i unicode small o unicode small m unicode space unicode small e unicode small m unicode small p unicode small t unicode small y unicode space unicode small s unicode small e unicode small t unicode end of text end unicode text end text end define
define tex of axiom empty set as text unicode start of text unicode backslash unicode capital o unicode left brace unicode right brace unicode small d unicode small e unicode small f unicode end of text end unicode text end text end define
define statement of axiom empty set as system zf infer all metavar var s end metavar indeed not0 metavar var s end metavar zermelo in zermelo empty set end define
define proof of axiom empty set as rule tactic end define
The pyk compiler, version 0.grue.20060417+ by Klaus Grue,