Fill in the blanks (-----------------) to prove that all these logical equivalences are tautologies . (Note that you can use the laws of equivalence attached at the end of exam paper). (¬ P)  ® (P ® Q)  ---------------------------------                                      Implication law  ---------------------------------                                      Implication law ---------------------------------                                       double negation law ---------------------------------                                       associative law   ---------------------------------                                     excluded middle law   ---------------------------------                                     --------------------------------- Answer:    ---------------------------------                                      Implication law  ---------------------------------                                      Implication law ---------------------------------                                       double negation law ---------------------------------                                       associative law   ---------------------------------                                     excluded middle law  ---------------------------------                                      ---------------------------------

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