“…This change can be ei t her from not p to p or from p to not p; the ordering is always from todavia to ya; 13 the time whcn the change takes place is t c : 14 (20) (a) todavia ya t c > not Van der A u wer a (1991a: 135) argues for English that, while (18b) entails (18c), (18c) does not entail (18b), that is, that already p entails not still not p but not vice versa, since the latter "says nothing about the relative earliness or lateness", äs the former does, As Löbner points out, duality relations had already been noticed for German by Doherty (1973) and Abraham (1976Abraham ( , 1980, and for Dutch by Vandeweghe (1979), who also developed "independently" Löbner's semantic analysis. This change can be ei t her from not p to p or from p to not p; the ordering is always from todavia to ya; 13 the time whcn the change takes place is t c : 14 (20) (a) todavia ya t c > not Van der A u wer a (1991a: 135) argues for English that, while (18b) entails (18c), (18c) does not entail (18b), that is, that already p entails not still not p but not vice versa, since the latter "says nothing about the relative earliness or lateness", äs the former does, As Löbner points out, duality relations had already been noticed for German by Doherty (1973) and Abraham (1976Abraham ( , 1980, and for Dutch by Vandeweghe (1979), who also developed "independently" Löbner's semantic analysis.…”