[Tutor] Boolean question

[Donald Bedsole]

Hi Allen,

> Boolean algebra can be a weird thing to get your head around
> the first time you come across it :-)

Yes, :-)

> Here are some of the standard rules:
>
> True and thing = thing
> False and thing = False
> True or thing = True
> False or thing = thing
>

Thanks for your response and for  the rules, but for some reason I'm
not understanding.  In the above quote, what is meant by "thing"?

Thank you.