From: Andreas Strotmann <Strotmann@rrz.uni-koeln.de>

Date: Wed, 17 Sep 2003 17:04:33 +0200

Message-ID: <3F687801.1080302@rrz.uni-koeln.de>

To: www-math@w3.org

Date: Wed, 17 Sep 2003 17:04:33 +0200

Message-ID: <3F687801.1080302@rrz.uni-koeln.de>

To: www-math@w3.org

Alright -- here's my final installment of comments on proposed changes (or in a few cases, missed changes) for the second edition of MathML 2.0, this time on Appendix C. Appendix C doesn't discuss the interval ambiguity at all, so that that part of my original posts for the last call remains re-opened, as mentioned in my post on Chapter 4. Other than that, this appendix looks very good now, with just a few odds and ends left to round out this complex set of updates (see below). Excellent job! I hope this still leaves enough time to work on these issues before finalizing the second edition. Unfortunately, I was a bit too busy on other urgent matters earlier. -- Andreas ----------------------------------------------------------------------------------------------- > C.2.2.4 MMLdefinition: interval includes new example (#3) of a deprecated feature (interval with bvar), despite a comment earlier on saying that no examples of deprecated features are going to be given. > C.2.2.9 MMLdefinition: lambda > Description ... \lambda x [F] "\lambda"? > to a the bound variable "a the"? > ForAll( y, Exists(x,y =f(x)), member(y,codomain(f)) ) I don't understand the second comma in the ForAll. Shouldn't that be an implication? > C.2.3.3 MMLdefinition: divide > Property Division by Zero error There are fewer </apply> than <apply>in this example. Perhaps you shouldn't have struck the </apply>, just added the <apply>. > C.2.3.18 MMLdefinition: forall > Description This doesn't describe the newly allowed version of forall without a bvar yet. > C.2.3.19 MMLdefinition: exists > Description The description assumes only one bvar, but the signature allows more. A corrected version of the description of forall would be better, as I pointed out before. >Signature This is missing one of the signatures of forall, (exists and forall should have identical ones). (\exists_\primes even) works just as well as (\forall_\naturals non-negative). >C.2.4.1 MMLdefinition: eq >Description You may want to copy the new sentence on the use of bvar and domainofapp from one of the n-ary functions to this one. (same for leq..., equivalent) >(set,set+) -> set >(multiset,multiset+) -> multiset shouldn't these be -> boolean? (I thought I had posted this one before.) Same for neq. > C.2.4.8 MMLdefinition: approx > (bvar+,domainofapp,boolean) ->boolean This should be something like (bvar+,domainofapp,anything) -> boolean > C.2.6.2 MMLdefinition: |list| > [order=ordering](bvar*,domainofapp,anything) -> list(ordering) This was probably meant to be "bvar+". > C.2.6.4 MMLdefinition: |intersect| >the intersection of <strike>two</strike> sets. If the two sets You forgot to strike the second occurrence of "two", too. > C.2.6.13 MMLdefinition: |cartesianproduct| This should have the following signatures too (copied from union): (domainofapp, set_valued_function) -> set (bvar+,domainofapp,set_valued_expression) -> set (domainofapp, multiset_valued_function) -> multiset (bvar+,domainofapp,multiset_valued_expression) -> multisetReceived on Wednesday, 17 September 2003 11:04:37 UTC

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