L. adduces semantic-pragmatic evidence for a uniform performative analysis. Given that uniform performative analysis, the goals of natural logic and the need for global transderivational grammars, he claims (i) that the treatment of indexicals in natural language does not require that additional coordinates for speaker, hearer, time and place of utterance be added to points of reference, and (ii) that there is no need for an additional pragmatic theory to account for speech acts and conversational implicature.