define pyk of axiom a4 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 a unicode four unicode end of text end unicode text end text end define
define tex of axiom a4 as text unicode start of text unicode capital a unicode four unicode left parenthesis unicode capital a unicode small x unicode small i unicode small o unicode small m unicode right parenthesis unicode end of text end unicode text end text end define
define statement of axiom a4 as system Q infer all metavar var x end metavar indeed all metavar var v1 end metavar indeed all metavar var a end metavar indeed all metavar var b end metavar indeed meta-sub metavar var a end metavar is metavar var b end metavar where metavar var v1 end metavar is metavar var x end metavar end sub endorse for all objects metavar var v1 end metavar indeed metavar var b end metavar imply metavar var a end metavar end define
define proof of axiom a4 as rule tactic end define
The pyk compiler, version 0.grue.20060417+ by Klaus Grue,