define pyk of prop three two d 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 t unicode small w unicode small o unicode space unicode small d unicode end of text end unicode text end text end define
define tex of prop three two d as text unicode start of text unicode backslash unicode small m unicode small a unicode small t unicode small h unicode small i unicode small t unicode left brace unicode capital m unicode small e unicode small n unicode small d unicode small e unicode small l unicode small s unicode small o unicode small n unicode space unicode backslash unicode semicolon unicode space unicode three unicode period unicode two unicode left parenthesis unicode small d unicode right parenthesis unicode right brace unicode end of text end unicode text end text end define
define statement of prop three two d as system prime s infer all metavar var t end metavar indeed all metavar var r end metavar indeed all metavar var s end metavar indeed ( ( metavar var r end metavar peano is metavar var t end metavar ) peano imply ( ( metavar var s end metavar peano is metavar var t end metavar ) peano imply ( metavar var r end metavar peano is metavar var s end metavar ) ) ) end define
define proof of prop three two d as lambda var c dot lambda var x dot proof expand quote system prime s infer all metavar var t end metavar indeed all metavar var r end metavar indeed all metavar var s end metavar indeed ( ( prop three two c conclude ( ( metavar var r end metavar peano is metavar var t end metavar ) peano imply ( ( metavar var t end metavar peano is metavar var s end metavar ) peano imply ( metavar var r end metavar peano is metavar var s end metavar ) ) ) ) cut ( ( ( permute premises modus ponens ( ( metavar var r end metavar peano is metavar var t end metavar ) peano imply ( ( metavar var t end metavar peano is metavar var s end metavar ) peano imply ( metavar var r end metavar peano is metavar var s end metavar ) ) ) ) conclude ( ( metavar var t end metavar peano is metavar var s end metavar ) peano imply ( ( metavar var r end metavar peano is metavar var t end metavar ) peano imply ( metavar var r end metavar peano is metavar var s end metavar ) ) ) ) cut ( ( prop three two b conclude ( ( metavar var s end metavar peano is metavar var t end metavar ) peano imply ( metavar var t end metavar peano is metavar var s end metavar ) ) ) cut ( ( ( ( no middle man modus ponens ( ( metavar var s end metavar peano is metavar var t end metavar ) peano imply ( metavar var t end metavar peano is metavar var s end metavar ) ) ) modus ponens ( ( metavar var t end metavar peano is metavar var s end metavar ) peano imply ( ( metavar var r end metavar peano is metavar var t end metavar ) peano imply ( metavar var r end metavar peano is metavar var s end metavar ) ) ) ) conclude ( ( metavar var s end metavar peano is metavar var t end metavar ) peano imply ( ( metavar var r end metavar peano is metavar var t end metavar ) peano imply ( metavar var r end metavar peano is metavar var s end metavar ) ) ) ) cut ( ( permute premises modus ponens ( ( metavar var s end metavar peano is metavar var t end metavar ) peano imply ( ( metavar var r end metavar peano is metavar var t end metavar ) peano imply ( metavar var r end metavar peano is metavar var s end metavar ) ) ) ) conclude ( ( metavar var r end metavar peano is metavar var t end metavar ) peano imply ( ( metavar var s end metavar peano is metavar var t end metavar ) peano imply ( metavar var r end metavar peano is metavar var s end metavar ) ) ) ) ) ) ) ) end quote state proof state cache var c end expand end define
The pyk compiler, version 0.grue.20050603 by Klaus Grue,