Self-study
Someone please explain how you can derive the last two conclusions?
"Trader Joe’s sales clerks like to talk. No soccer mom doesn’t like to talk. Baseball moms are soccer moms. Jane is a soccer mom.
_______
Jane likes to talk.
Baseball moms like to talk.
Some people who are not Trader Joe's sales clerks are not soccer moms.
Some people who are not Trader Joe's sales clerks are not baseball moms."
@7Sage Tutor Wouldn't the reason to believe their opinion is valuable be the fact that they are experts presenting at the conference and speaking directly about hospitals?.... why can we not assume that validates their opinion?