define pyk of lemma |0|=0 as text unicode start of text unicode small l unicode small e unicode small m unicode small m unicode small a unicode space unicode vertical line unicode zero unicode vertical line unicode equal sign unicode zero unicode end of text end unicode text end text end define
define tex of lemma |0|=0 as text unicode start of text unicode vertical line unicode zero unicode vertical line unicode equal sign unicode zero unicode end of text end unicode text end text end define
define statement of lemma |0|=0 as system Q infer | 0 | = 0 end define
define proof of lemma |0|=0 as lambda var c dot lambda var x dot proof expand quote system Q infer axiom leqReflexivity conclude 0 <= 0 cut lemma nonnegativeNumerical modus ponens 0 <= 0 conclude | 0 | = 0 end quote state proof state cache var c end expand end define
The pyk compiler, version 0.grue.20060417+ by Klaus Grue,