The author uses the word "immediacy" (line 39) most likely in order to express

Dave415 on December 23, 2020

"Either Or" Statements and "Not both"

How do you come up with the different possibilities for these type of statements? To me, they seem the same...

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shunhe on December 29, 2020

Hi @Dave415,

Thanks for the question! I’m not too sure what you mean by “different possibilities” but basically, they way we diagram is the following.??If we're told that Either A or B, that's just

A v B

or with conditional logic

~B —> A

Because we have to have at least one.

“Not both,” on the other hand, means that we have at most one. So that's

A —> ~B

Or in other words

~A v ~B

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