If Kennedy lectures at 3:00 on Friday, which one of the following must be true?

mmanetti on July 13, 2021

Explanation

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Emil-Kunkin on April 27 at 02:20PM

If K is on Friday, that forces our MN block to Thursday, so Thursday is MN and one of OL,
And Friday is K J and one of OL. We know J must be at one, so the OL must be at two. Finally we know that since L must be at 1, the Friday two slot is O.