From cbmvax!uunet!cuvma.bitnet!LOJBAN Wed Dec 18 19:39:38 1991 Return-Path: Date: Wed Dec 18 19:39:38 1991 Message-Id: <9112182234.AA22524@relay1.UU.NET> Reply-To: "F. Schulz" Sender: Lojban list From: "F. Schulz" Subject: tutorial question X-To: uunet!cuvmb.cc.columbia.edu!lojban@uunet.UU.NET To: John Cowan , Ken Taylor Status: RO In Diagrammed Summary of Lojban Grammar Forms with Example Sentences the following appears: "po'u" identifies a sumti by giving another IDENTITY in the form of another sumti that could equivalently replace the original: la djan. po'u le ctuca [ku] [ge'u] [cu] klama [vau] -------- < ------------- | ===== John, the teacher, comes. It appears to me that the cu in front of klama is not optional. Or do I not understand what [ ] means? Frank Schulz ( fschulz@pyramid.com )