From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!feeder.eternal-september.org!aioe.org!.POSTED!not-for-mail From: "Dmitry A. Kazakov" Newsgroups: comp.lang.ada Subject: Re: Ada 2012 Constraints (WRT an Ada IR) Date: Tue, 13 Dec 2016 16:02:48 +0100 Organization: Aioe.org NNTP Server Message-ID: References: <92ed75e9-baae-455c-9e34-53348dc6eaef@googlegroups.com> <03847fd7-5699-48de-bb3c-ef5512398f26@googlegroups.com> <3ef819e8-55f7-4ef7-9f37-77e6abc33f98@googlegroups.com> <47366b42-c0a3-41bf-a44a-5241c109d60f@googlegroups.com> NNTP-Posting-Host: vZYCW951TbFitc4GdEwQJg.user.gioia.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: abuse@aioe.org User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 X-Notice: Filtered by postfilter v. 0.8.2 Xref: news.eternal-september.org comp.lang.ada:32779 Date: 2016-12-13T16:02:48+01:00 List-Id: On 13/12/2016 12:56, Alejandro R. Mosteo wrote: > Since it seems that usually is you, Dmitry, the one coming from a more > theoretical (mathematical? purist?) POV into the arguments, perhaps you > could recommend to me some reference(s) where I can better understand > the principles involved in this discussion (the part about > preconditions/predicates, not IR)? I confess to having only a > superficial grasping of the situation, by way of using the Ada 2012 > facilities. "The science of programming" by David Gries changed my world. https://www.amazon.com/Science-Programming-Monographs-Computer/dp/0387964800/ref=asap_bc?ie=UTF8 The rest is just to exercise little grey cells, as Poirot used to say. -- Regards, Dmitry A. Kazakov http://www.dmitry-kazakov.de