Among the people selected to attend the retirement dinner there must be

Kenji on July 27, 2020

October 1993 SEC 3 Q9 diagraming

For N cannot be selected unless L is selected, is it correct to diagram this as: N--->L, /L--->/N (/=negative)? Thanks in advance!

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Shunhe on July 27, 2020

Hi @kenken,

Thanks for the question! Yup, exactly, that’s how you’d diagram that statement! Good job. If N’s selected, you know that L had to have been selected, and if L isn’t selected, then N isn’t selected either.

Hope this helps! Feel free to ask any other questions that you might have.