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Date: Thu, 7 Mar 2002 16:53:03 EST
Subject: Re: [lojban] Re: [jboske] Quantifiers, Existential Import, and all that stuff
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In a message dated 3/7/2002 3:15:38 PM Central Standard Time, 
jjllambias@hotmail.com writes:


> Yes, {me'iro broda} = {da'asu'o broda} must have existential
> import. When ro = no, both {me'iro} and {da'asu'o} fail,
> making the statement false

What a relief! They'll never be false for that reason.

<But it does! {ro broda cu brode} is A- and {me'iro broda cu brode}
is O+, and each is the negation of the other.
Similarly {no broda cu brode} is E- and {su'o broda cu brode}
is I+, each the negation of the other.

What you cannot do, and I agree, is negate {ro lo su'o broda}
to obtain {me'iro broda}, or negate {no lo su'o broda} to
obtain {su'o broda}, but if you look carefully, I never wrote
that.>

But this assumes that {lo su'o broda} is different from {lo ro broda}, which 
it ain't. To be consistent, you should probably not collapse {su'o lo su'o 
broda} since that breaks the pattern you are establishing (misleading). 


<You're exasperating sometimes. It is not a falsehood the way
I understand {ro}, of course. {ro broda} means {no broda}
iff {lo'i broda} is the empty set.>

Speaking of exasperating! You persist in MISunderstanding {ro} though you 
have been corrected God knows how many times over just about all the years 
you have been in the Lojban game. If {lo'i broda} refers to the empty set, 
any basic sentence containing {lo broda} or some variant on it is false (or 
meaningless or however you want to deal with it) because one of its 
presuppositions (that {lo broda} refers to some things) is false. Remember 
the assumed quantifier on {lo} is {su'o} which cannot be larger than the size 
of the set being drawn from.

<I don't follow that. {no broda cu brode} does not have existential
import in my system, it is E-. {no lo su'o broda cu brode} does,
it is E+.>

As I keep saying, since the two are exactly the same, if one of them has 
import so does the other, or if one doesn't neither does the other. I 
suppose we could make the case that, since they use different words, they are 
different, but that seems to me too small a difference, since they refer to 
the same thing directly(and it would only work if used consistently). 
Quantifier + {da} overtly refers to a different thing (the universal "thing" 
set) and so is more usefully taken to be the non-importing form. Personally, 
even there, I would like that {da poi broda} were still importing and 
restrict the free forms to {ro da broda naja brode} and the like, but I know 
I can't get that to fly. 





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<HTML><FONT FACE=arial,helvetica><BODY BGCOLOR="#ffffff"><FONT style="BACKGROUND-COLOR: #ffffff" SIZE=2>In a message dated 3/7/2002 3:15:38 PM Central Standard Time, jjllambias@hotmail.com writes:<BR>
<BR>
<BR>
<BLOCKQUOTE TYPE=CITE style="BORDER-LEFT: #0000ff 2px solid; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px">Yes, {me'iro broda} = {da'asu'o broda} must have existential<BR>
import. When ro = no, both {me'iro} and {da'asu'o} fail,<BR>
making the statement false</BLOCKQUOTE><BR>
<BR>
What a relief!&nbsp; They'll never be false for that reason.<BR>
<BR>
&lt;But it does! {ro broda cu brode} is A- and {me'iro broda cu brode}<BR>
is O+, and each is the negation of the other.<BR>
Similarly {no broda cu brode} is E- and {su'o broda cu brode}<BR>
is I+, each the negation of the other.<BR>
<BR>
What you cannot do, and I agree, is negate {ro lo su'o broda}<BR>
to obtain {me'iro broda}, or negate {no lo su'o broda} to<BR>
obtain {su'o broda}, but if you look carefully, I never wrote<BR>
that.&gt;<BR>
<BR>
But this assumes that {lo su'o broda} is different from {lo ro broda}, which it ain't.&nbsp; To be consistent, you should probably not collapse {su'o lo su'o broda} since that breaks the pattern you are establishing (misleading).&nbsp; <BR>
<BR>
<BR>
&lt;You're exasperating sometimes. It is not a falsehood the way<BR>
I understand {ro}, of course. {ro broda} means {no broda}<BR>
iff {lo'i broda} is the empty set.&gt;<BR>
<BR>
Speaking of exasperating!&nbsp; You persist in MISunderstanding {ro} though you have been corrected God knows how many times over just about all the years you have been in the Lojban game.&nbsp; If {lo'i broda} refers to the empty set, any basic sentence containing {lo broda} or some variant on it is false (or meaningless or however you want to deal with it) because one of its presuppositions (that {lo broda} refers to some things) is false.&nbsp; Remember the assumed quantifier on {lo} is {su'o} which cannot be larger than the size of the set being drawn from.<BR>
<BR>
&lt;I don't follow that. {no broda cu brode} does not have existential<BR>
import in my system, it is E-. {no lo su'o broda cu brode} does,<BR>
it is E+.&gt;<BR>
<BR>
As I keep saying, since the two are exactly the same, if one of them has import so does the other, or if one doesn't neither does the other.&nbsp; I suppose we could make the case that, since they use different words, they are different, but that seems to me too small a difference, since they refer to the same thing directly(and it would only work if used consistently).&nbsp; Quantifier + {da} overtly refers to a different thing (the universal "thing" set) and so is more usefully taken to be the non-importing form.&nbsp; Personally, even there, I would like that {da poi broda} were still importing and restrict the free forms to {ro da broda naja brode} and the like, but I know I can't get that to fly. <BR>
<BR>
<BR>
<BR>
<BR>
</FONT></HTML>
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