Are you a master at math? Do you want to make other forum users suffer extreme brain farts? If so, then you came to the right place!
Put down a math problem and see if anyone guesses it right. [b]This is your opportunity to make our brains suffer![/b]
[spoiler]I am terrible at math[/spoiler]
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I'll throw a logic problem in the mix. (P&R) ->(Ev ~S) (NvR) & (S->P) S->O ~N _______ S->(O&E) Is this deductively valid or invalid?