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Having trouble with these questions from a recent practical and would really appreciate a detailed explanation on these question ( they ' re made to
Having trouble with these questions from a recent practical and would really appreciate a detailed explanation on these question theyre made to be put into Carnap
Derive a natural deduction proof in Carnap for each of the following arguments.
i
P Q RR P Q
ii
P Q Q R P R P Q
iii
xP x QxxQxxQxP x
For each of the following Knights and Knaves puzzles, formalise the sequence of statements using propositional logic and prove a proposition that demonstrates the nature of each individual in Carnap.
i
Alice: We are both knights Bob: Alice is a liar!
ii
Dan: Its fale that Ed is a knave Ed: I and Dan have a different nature.
iii
Rex: Sally is a knave Joe: Its not the case that Rex is a knave Sally: Neither I nor Rex are knaves.
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