define pyk of lemma empty set is subset as text unicode start of text unicode small l unicode small e unicode small m unicode small m unicode small a unicode space unicode small e unicode small m unicode small p unicode small t unicode small y unicode space unicode small s unicode small e unicode small t unicode space unicode small i unicode small s unicode space unicode small s unicode small u unicode small b unicode small s unicode small e unicode small t unicode end of text end unicode text end text end define
define tex of lemma empty set is subset as text unicode start of text unicode backslash unicode capital o unicode left brace unicode right brace unicode small i unicode small s unicode capital s unicode small u unicode small b unicode small s unicode small e unicode small t unicode end of text end unicode text end text end define
The pyk compiler, version 0.grue.20060417+ by Klaus Grue,