Posted by Neal on May 7, 2004
Mark Liberman’s recent posting on the different meanings of can depending on how wide a scope it takes reminds me of my first brush with a scope ambiguity (though at the time I didn’t know what it was called). It was back in my sophomore year in high school, in Linda Misenhimer’s 6th period biology class. We were having a multiple-choice exam on our genetics unit, and one of the questions went something like this:
John has type AB blood, and Marsha has type B. What blood-type child can they not have?