[EIdentifier "f",ESymbol Open "(",EIdentifier "x",ESymbol Close ")",ESymbol Rel "=",EDelimited "{" "" [Right (EArray [AlignLeft,AlignLeft] [[[ENumber "1"],[ESymbol Bin "\8722",ENumber "1",ESymbol Rel "\8804",EIdentifier "x",ESymbol Rel "<",ENumber "0"]],[[EFraction NormalFrac (ENumber "1") (ENumber "2")],[EIdentifier "x",ESymbol Rel "=",ENumber "0"]],[[ENumber "1",ESymbol Bin "\8722",ESuper (EIdentifier "x") (ENumber "2")],[EText TextNormal "otherwise"]]])]]