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==  3rd Baseline ==
.i na nei - since the ''nei'' means that sentence, it seems to be negating itself. However, in [[What does it mean?]], it was discussed that in fact it means ''"This sentence would be false without the na."'' This is related to the [[A double negative remains negative gotcha|A double negative remains negative gotcha]].


The current official version of the Lojban machine grammar is the 3rd Baseline, available here in several formats:
Sans the na, the sentence is false. Sans the na, the sentence is ''.i nei'' - referring to the WHOLE sentence, na and all!
 
* [http://www.lojban.org/publications/formal-grammars/bnf.300.txt n Extended BNF format] (bnf.300)
* [http://www.lojban.org/publications/formal-grammars/grammar.300.txt n YACC format] (grammar.300)
 
* [http://www.lojban.org/publications/formal-grammars/techfix.300.txt s a change-by-change commentary] (techfix.300)
 
The Extended BNF and YACC grammars may be found in HTML format, with indexes for each tag, in [http://www.lojban.org/publications/reference_grammar/chapter21.html hapter 21 of the Lojban Reference grammar].  As the baseline grammar document, this is the most authoritative source.
 
If the BNF and YACC versions do not agree, the YACC takes precedence.
 
==  Proposed 4th Baseline ==
 
[[jbocre: .alyn.post.|.alyn.post.]] is working on a proposal for a 4th Baseline grammar. The 4th Baseline Lojban Machine Grammar will replace the [[jbocre: YACC|YACC]] and [[BNF|BNF]] grammars with a [[jbocre: PEG|PEG]] grammar.

Latest revision as of 15:41, 23 March 2014

.i na nei - since the nei means that sentence, it seems to be negating itself. However, in What does it mean?, it was discussed that in fact it means "This sentence would be false without the na." This is related to the A double negative remains negative gotcha.

Sans the na, the sentence is false. Sans the na, the sentence is .i nei - referring to the WHOLE sentence, na and all!

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