Respostas
a) as preposições podem ser f ou v, então
p | q | ~p | ~q| ~p <-> q| p V ~q | ~p <-> q -> p V ~q|
v v f f f v v
v f v v f v v
f v f f f f v
f f v v f v v
b ) p | q | ~p | ~p <-> q| p V q | ~p <-> q -> p V q|
v v f f v v
v f f f v v
f v v f v v
f f v f f v
c) p | q | ~p | ~q| p->~q | ~p<->q| p ->~q-> ~p<->q|
v v f f f f v
v f f v v f f
f v v f v f f
f f v v v f f
d) p | q |~p | p ^ q | ~p <->q| p ^ q -> ~p <-> q|
v v f v f f
v f f f v v
f v v f v v
f f v f f v
e) p | q |~p| p <-> q| ~p <-> q| p<-> q -> ~p <-> q|
v v f v f f
v f f f v v
f v v f v v
f f v v f f
f) p | q |~p | ~ q | ~p < -> q |p<->~q|~p <->q->p<-> ~q|
v v f f f f v
v f f v v v v
f v v f v v v
f f v v f f v