define pyk of prop three five e one as text unicode start of text unicode small p unicode small r unicode small o unicode small p unicode space unicode small t unicode small h unicode small r unicode small e unicode small e unicode space unicode small f unicode small i unicode small v unicode small e unicode space unicode small e unicode space unicode small o unicode small n unicode small e unicode end of text end unicode text end text end define
define tex of prop three five e one as text unicode start of text unicode newline unicode capital p unicode small r unicode small o unicode small p unicode backslash unicode space unicode three unicode period unicode five unicode small e unicode underscore unicode one unicode end of text end unicode text end text end define
define statement of prop three five e one as system s infer all metavar var a end metavar indeed not zero equal zero imply metavar var a end metavar times zero equal zero imply metavar var a end metavar equal zero end define
define proof of prop three five e one as lambda var c dot lambda var x dot proof expand quote system s infer all metavar var a end metavar indeed all metavar var a end metavar indeed not zero equal zero infer prop three two a conclude zero equal zero cut t one conclude not zero equal zero imply zero equal zero imply metavar var a end metavar times zero equal zero imply metavar var a end metavar equal zero cut rule mp modus ponens not zero equal zero imply zero equal zero imply metavar var a end metavar times zero equal zero imply metavar var a end metavar equal zero modus ponens not zero equal zero conclude zero equal zero imply metavar var a end metavar times zero equal zero imply metavar var a end metavar equal zero cut rule mp modus ponens zero equal zero imply metavar var a end metavar times zero equal zero imply metavar var a end metavar equal zero modus ponens zero equal zero conclude metavar var a end metavar times zero equal zero imply metavar var a end metavar equal zero cut deduction modus ponens all metavar var a end metavar indeed not zero equal zero infer metavar var a end metavar times zero equal zero imply metavar var a end metavar equal zero conclude not zero equal zero imply metavar var a end metavar times zero equal zero imply metavar var a end metavar equal zero end quote state proof state cache var c end expand end define
The pyk compiler, version 0.grue.20060417+ by Klaus Grue,