A practical tool for natural language modeling and development of human-machine interaction is developed in the context of formal grammars and languages. A new type of formal grammars, called grammars with prohibition, is introduced. Grammars with prohibition provide more powerful tools for natural language generation and better describe processes of language learning than the conventional form...

how to deal with the prohibiting forbiddance in the context of trade is the difficult mystery of forbidden professions (makāsib muharrameh). some would consider it as an autumn breeze, impeding the thriving transactions of the market; others perceive the encounter of the forbidding prohibition with trade as a collision of two chemicals getting mixed with each other and producing a third materia...

May 2011, Vol. 101, No. 5 SAMJ Cannabis legal debacle To the Editor: The editorial in the SAMJ1 questioning whether it is time to decriminalise drugs refers. The Central Drug Authority (CDA) produced the South African Position Paper on Cannabis in 2004; however, the document was never made public or released.2 The Position Paper builds a case for prohibition on a ‘public health’ basis and osten...