From: Jonathan Jones <eyeonus@gmail.com>
To: lojban@googlegroups.com
Sent: Thu, January 6, 2011 6:52:01 PM
Subject: Re: Lojban is *NOT* broken! Stop saying that! (was Re: [lojban] Re: Vote for the Future Global Language)
On Wed, Jan 5, 2011 at 7:33 PM, Ivo Doko <
ivo.doko@gmail.com> wrote:
>
> On 6 January 2011 03:17, Jonathan Jones <
eyeonus@gmail.com> wrote:
>>
>> Waiter: Do you want cream or sugar in your coffee?
>>
>> Lojbanist: Yes.
>
> Proper response is "I do." :D Unless you drink your coffee with neither...
If you want your coffee with neither, the correct answer is "no". "I do" and "yes" are merely semantically different - the meaning is the same in both responses.
>
> Also, that would depend on the waiter's emphasis of the sentence:
>
> "Do you want CREAM or SUGAR in your coffee?"
>
> means:
>
> "Is this true: (You want cream in your coffee. ⊕ You want sugar in your coffee.)?"
>
> "Do you WANT cream or sugar in your coffee?"
>
> means:
>
> "Is this true: (You want cream in your coffee. ∨ You want sugar in your coffee.)?"
>
> ("⊕" is XOR, "∨" is OR.)
>
> So presuming the waiter emphasised "cream" and "sugar", not "want", "yes" or "I do" are not proper responses.
It doesn't matter what the waiter emphasized.
Let us assign the following:
p = wants cream
q = wants sugar
(Taken directly from http://en.wikipedia.org/wiki/Truth_table#Logical_disjunction):
The truth table for p OR q (also written as p ∨ q, p || q, or p + q) is as follows:
|
| p |
q |
p ∨ q |
| T |
T |
T |
| T |
F |
T |
| F |
T |
T |
| F |
F |
F |
L1 (wants cream, but not sugar): Yes.
L2 (wants sugar, but not cream): Yes.
L3 (wants both cream and sugar): Yes.
L4 (wants neither): No.
To translate the waiter's sentence into Lojban:
W: xu do djica lo nu lo kruji .a lo sakta cu nenri lo ckafi
Lojban {.a}, by the way, is Logical OR. XOR is {.onai}.
--
mu'o mi'e .aionys.
.i.a'o.e'e ko cmima le bende pe lo pilno be denpa bu .i doi.luk. mi patfu do zo'o
(Come to the Dot Side! Luke, I am your father. :D )
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