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 2 years ago
Using Natural deduction, show that:
~p  ~q :Premise

~(p & q) :Goal
 2 years ago
Using Natural deduction, show that: ~p  ~q :Premise  ~(p & q) :Goal

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JoãoVitorMC
 2 years ago
Best ResponseYou've already chosen the best response.0The exercise online that i need to solve: http://logic.stanford.edu/intrologic/exercises/problem_03_06.html

sniper70
 2 years ago
Best ResponseYou've already chosen the best response.1you can use a truth table !!

JoãoVitorMC
 2 years ago
Best ResponseYou've already chosen the best response.0yeah, but i need to solve in this online system that does not support solutions by truth table... http://logic.stanford.edu/intrologic/exercises/problem_03_06.html
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