svarner2001
11.03.2020 •
Mathematics
Need an answer, all are appreciated
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Ответ:
Ответ:
A) ¬(¬q) ≡ q
B) ≡ ( эx) (¬p(x) ∧ ¬q(x)
C) ≡ ( зx ) (p(x) ∧ (¬ q(x) ∨ r(x)) )
Step-by-step explanation:
using De Morgan's law for quantified statements and the laws of propositional logic to show the equivalent of the following
from De -Morgan law
¬(A ∨ B ) = ¬ A ∧¬ B
ATTACHED BELOW IS THE COMPLETE SOLUTION