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jedishrfu
#8
Feb18-12, 11:02 PM
P: 2,938
P___q__ p->q___ q->p___ ~(q->p)___ ~q____~p____~q->~p

t___t____t_______t_______f_______f_____f_______t
t___f____f_______t_______f_______t_____f_______f
f___t____t_______f_______t_______f_____t_______t
f___f____t_______t_______f_______t_____t_______t

((sorry cant get formatting right web form keeps changing uppercase to lower case))