naa...
eg.. p→≡(\simp)vq
PLS POST SOME LOGICAL EQUIVALENCE DAT WE CAN MEMORISE RATHER THAN ENTERIN VALUES IN TRUTH TABLE N CONFIRMIN IN ORDER TO SAVE TIME IN EXAMS..
PLS GUYZ N GALS.... PLS...
@eureka... yup.. i need some common eqiuvalances lik dat...