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[lojban] Re: Proposal: loi lerfu tcita detri; the final word on the problem of dates and times?



On Sunday, May 17, 2015 at 8:56:43 PM UTC+3, Spheniscine (la zipcpi) wrote:
http://mw.lojban.org/papri/Proposal:_loi_lerfu_tcita_detri;_the_final_word_on_the_problem_of_dates_and_times%3F

I'd say that this is by far the best usable method of talking about both dates and periods.

The problem with the original {de'i} is that one can never know what {de'i li 7} means. Whether it's year 7 AD, December, day 7 of some month, week No. 7 of some year or even Sunday or Saturday.
L4B solves this problem by stating that one number after {de'i} denotes day, two number denote DD/MM etc. with {pi'e} being a separator.

This letteral solution 
1. allows for free "word" order, 
2. solves period/datetimestamp problem within one brivla/tag although {ti'u} can be a convenient addition to {de'i}
3. doesn't fill the dictionary with numerous words

Disadvantages:
a. Like it's {pi'e} equivalent it's not a predicate language. An expansion of these rules into predicates is needed for linguistic purposes no matter how verbose the expansion will be (i.e. its value for everyday usage is irrelevant). {citsi} also has to be explained in this expansion since it is one of the few "splicing time interval" brivla. relations like {ca}/date, {ze'a}/period are to be explained.
b. Those are new rules injected into the language. Multiplying entities is usually not good. Although they actually make {pi'e} solution not needed so in total the required part of the language becomes less heavy.
c. timezone can't be easily specified inside {de'i} using names of countries.

We should also note that in most major languages both "month" and "minute" start from the same letter which ultimately led to {masti} and {mentu} to start with the same letter. This solution doesn't actually involve current brivla for time periods so using {ly} for "calendar month" might not even lead to the need in making a brivla for "month" starting with "l-". 

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