define pyk of sequent commutativity as text unicode start of text unicode small s unicode small e unicode small q unicode small u unicode small e unicode small n unicode small t unicode space unicode small c unicode small o unicode small m unicode small m unicode small u unicode small t unicode small a unicode small t unicode small i unicode small v unicode small i unicode small t unicode small y unicode end of text end unicode text end text end define
define tex of sequent commutativity as text unicode start of text unicode newline unicode capital c unicode small o unicode small m unicode small m unicode small u unicode small t unicode small a unicode small t unicode small i unicode small v unicode small i unicode small t unicode small y unicode end of text end unicode text end text end define
define statement of sequent commutativity as example theory infer all metavar var a end metavar indeed all metavar var b end metavar indeed ( ( metavar var a end metavar math equal metavar var b end metavar ) infer ( metavar var b end metavar math equal metavar var a end metavar ) ) end define
define proof of sequent commutativity as quote example theory infer all metavar var a end metavar indeed all metavar var b end metavar indeed ( ( metavar var a end metavar math equal metavar var b end metavar ) infer ( ( sequent reflexivity init modus dereference modus at metavar var a end metavar ) cut ( ( ( ( example rule lemma init modus dereference modus at metavar var a end metavar ) at metavar var b end metavar ) at metavar var a end metavar ) modus modus ) ) ) end quote end define
The pyk compiler, version 0.grue.20050603 by Klaus Grue,