From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.5-pre1 (2020-06-20) on ip-172-31-74-118.ec2.internal X-Spam-Level: * X-Spam-Status: No, score=1.5 required=3.0 tests=BAYES_50,FREEMAIL_FROM, FROM_STARTS_WITH_NUMS autolearn=no autolearn_force=no version=3.4.5-pre1 X-Received: by 2002:ac8:b0e:: with SMTP id e14mr2459573qti.360.1611886972106; Thu, 28 Jan 2021 18:22:52 -0800 (PST) X-Received: by 2002:a25:9902:: with SMTP id z2mr2921820ybn.339.1611886971899; Thu, 28 Jan 2021 18:22:51 -0800 (PST) Path: eternal-september.org!reader02.eternal-september.org!weretis.net!feeder8.news.weretis.net!proxad.net!feeder1-2.proxad.net!209.85.160.216.MISMATCH!news-out.google.com!nntp.google.com!postnews.google.com!google-groups.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Thu, 28 Jan 2021 18:22:51 -0800 (PST) In-Reply-To: <3cb4a64f-f6b3-4edc-b102-393feb440b32n@googlegroups.com> Complaints-To: groups-abuse@google.com Injection-Info: google-groups.googlegroups.com; posting-host=85.245.161.125; posting-account=rhqvKAoAAABpikMmPHJSZh4400BboHwT NNTP-Posting-Host: 85.245.161.125 References: <87pn2fe33o.fsf@nightsong.com> <3cb4a64f-f6b3-4edc-b102-393feb440b32n@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <77b9bca7-adfa-472c-9c30-85c58f01e30fn@googlegroups.com> Subject: Re: what to do, for the mathematically-disabled people (only half-joking) From: Mehdi Saada <00120260a@gmail.com> Injection-Date: Fri, 29 Jan 2021 02:22:52 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Xref: reader02.eternal-september.org comp.lang.ada:61230 List-Id: Le mardi 12 janvier 2021 =C3=A0 01:14:23 UTC+1, Shark8 a =C3=A9crit=C2=A0: > (1) Try working "backwards", from the result to the input; like induction= .=20 That one was pretty enlightening ! Indeed, it is useful. I am painstakingly going through algebra books. Slooooowly at first, since = this part is meant to burn in my brain what is in effect, a symbolic manipu= lation software. But it feels great, finally being on the level of mental a= wareness that people had when computers weren't around.