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Mark Dominus (陶敏修) mjd@plover.com RSS Atom I have another blog that doesn't suck. 25 recent entries Bulk liquid food transport Sister cities? Frequently asked questions about signal handling in C The silliest town name in the United States Don't get all up in my grill Jehovah's Witnesses schism More pizza heresy Followup to a Stack Exchange comment from 2014 Actors with odd names Is this a coincidence? Thing I believe About that aphorism Potamus Dark side of the Moon How to tell apart the languages of Nigeria? Carl Gauß' hat Well-ordering blah The Sun's Wish Passing thought Sisters Skinks Modok Croatian puzzle I have had this conversation more than once Archive: 2023 JF 2022: JFMAMJ   JASOND 2021: JFM 2020: JFMAMJ   JASOND 2019: JFMAMJ   JASOND 2018: JFMAMJ   JASOND 2017: ND Comments disabled

Subject: Mathematical ladders Path: you​!your-host​!walldrug​!epicac​!thermostellar-bomb-20​!central-scrutinizer​!fpuzhpx​!plovergw​!shitpost​!mjd Date: 2017-12-09T19:10:57 Newsgroup: talk.mjd.ladders Message-ID: <fa9db28deb466b37@shitpost.plover.com> Content-Type: text/shitpost Katara and I were looking at some warmup problems for a math competition. One began: When leaned against a vertical structure, a straight ladder can be used safely if ... This knocked me for a loop and I had to stop to recover my wits. “A straight ladder?” I cried. “What other shape can a ladder be?” Then I had to indulge in a fantasy about the uselessness of a curved or an S-shaped ladder. Sometimes I wonder who writes these questions.