Except, Without, Until

ejscool8 · June 2013

I have heard before that for except without until you are supposed to negate the necessary condition and the sufficient condition and turn it into the contra-positive. I often find this difficult and/ or confusing and I was wondering if there was a simpler way to do it. Examples would be appreciated

Peter · June 2013

For unless, "A will occur unless B occurs", I think of it as B is necessary for stopping A (or B is necessary for not A). That would be (not) A -> B

ex. Spurs will sweep unless Heats wins a game. In other words, Heats must win a game to stop Spurs from sweeping.

(not) Spurs sweep series -> Heats wins a game

J.Y. Ping · June 2013

http://7sage.com/conditional-logic-made-easy-3/

ejscool8 · June 2013

thank you so much!

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