# How do I deduce that Bertie “is not John or the Bass drinker”?

From: Philip Johnson-Laird BA PhD Psychology (UCL), Stuart Professor of Psychology Emeritus at Princeton. (Author isn't a logician.) How We Reason (1st edn 2008). p. 128.

I can't format the page with StackExchange's tools. Thus a screenshot:

The sentence underlined in green is the last one that I understand. Thus the table up to it is: