Re: Wierd Truth Table

On Sun, 5 Mar 2006, Protoman wrote:

I now know what it's called: modus tollendo tollens. But why does it's
truth table act like this?

-- To Google and MathForum users:
Reply only if adequate context is included _within_ the reply.
Otherwise all contexts are removed from my view,
the flow of thought disrupted and chaos reigns.

In particular for Google users:

Instead of simply hitting the prominent "Reply" link, which doesn't
include a copy of the post to which one is replying, click the "Show
Options" link (toward the top of an item in the thread), which causes
a shaded area of links to appear next to the top of the item, including
"Reply" (first) that does introduce a copy of the previous text (offset
by > signs in the usual fashion).

----
.

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