๐”– Bobbio Scriptorium
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On restrictions on transformational grammars reducing the generative power

โœ Scribed by Theo Janssen; Gerard Kok; Lambert Meertens


Publisher
Springer Netherlands
Year
1977
Tongue
English
Weight
445 KB
Volume
1
Category
Article
ISSN
0165-0157

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โœ Niculae Mandache ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 132 KB

It is shown that non-returning parallel communicating grammar systems with -free contextfree components can generate any recursively enumerable language. Since it was proven that such systems can be simulated by returning PC grammar systems with context-free components, the result extends to those.