define pyk of lemma (1/2)(x+y)-x=(1/2)(y-x)(R) as text unicode start of text unicode small l unicode small e unicode small m unicode small m unicode small a unicode space unicode left parenthesis unicode one unicode slash unicode two unicode right parenthesis unicode left parenthesis unicode small x unicode plus sign unicode small y unicode right parenthesis unicode hyphen unicode small x unicode equal sign unicode left parenthesis unicode one unicode slash unicode two unicode right parenthesis unicode left parenthesis unicode small y unicode hyphen unicode small x unicode right parenthesis unicode left parenthesis unicode capital r unicode right parenthesis unicode end of text end unicode text end text end define
define tex of lemma (1/2)(x+y)-x=(1/2)(y-x)(R) as text unicode start of text unicode left parenthesis unicode one unicode slash unicode two unicode right parenthesis unicode left parenthesis unicode small x unicode plus sign unicode small y unicode right parenthesis unicode hyphen unicode small x unicode equal sign unicode left parenthesis unicode one unicode slash unicode two unicode right parenthesis unicode left parenthesis unicode small y unicode hyphen unicode small x unicode right parenthesis unicode left parenthesis unicode capital r unicode right parenthesis unicode end of text end unicode text end text end define
The pyk compiler, version 0.grue.20060417+ by Klaus Grue,