Received: from wnt.dc.lsoft.com (wnt.dc.lsoft.com [205.186.43.7]) by mail1.access.digex.net (8.6.12/8.6.12) with ESMTP id XAA28466; for ; Mon, 12 Feb 1996 23:57:23 -0500 Message-Id: <199602130457.XAA28466@mail1.access.digex.net> Received: from PEACH.EASE.LSOFT.COM (205.186.43.4) by wnt.dc.lsoft.com (LSMTP for Windows NT v1.0a) with SMTP id 6AA63EF0 ; Mon, 12 Feb 1996 23:54:16 -0500 Date: Mon, 12 Feb 1996 18:24:26 +0000 Reply-To: ucleaar Sender: Lojban list From: ucleaar Subject: *old response to and #2 X-To: lojban@cuvmb.cc.columbia.edu To: Bob LeChevalier Status: OR X-Mozilla-Status: 0001 Content-Length: 1287 X-From-Space-Date: Mon Feb 12 23:57:26 1996 X-From-Space-Address: LOJBAN%CUVMB.BITNET@UBVM.CC.BUFFALO.EDU lojbab > >John: > >> > Anyway, to clarify, the syntax {duu} shd have is that it take a bridi > >> > and yield a sumti. (LU takes a word string and yields a sumti.) > >> That was once the case, actually, although the bridi was semantically > >> restricted to mathematical identities. > >How come we lost it? > Because Lojban doesn't HAVE semantic restrictions in its grammar. If we > do not encode in the YACC grammar that a mathematical bridi is a > different kind of animal than a non-mathematical one, then there is no > constraint against using it non-mathematically, especially for certain > rebellious types %^). It is cumbersome to maintain a YACC-grammatical > distinction between the two types of bridi, and I suspect that > mathematicians and logicians would say that there IS no essential > difference between the two. So if you can see a justification for > "du'u" in its present form for mathematical bridi, then you should be > willing to accept that it is logical to accept the form for > non-mathematical bridi. I see no justification for duu in its present form for mathematical or nonmathematical bridi. The change that ought to have been made is that the restriction to mathematical bridi shd be relaxed, not that the whole construction be abandoned. coo, mie and