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Chứng minh hệ thức De Morgan sau: ~(P ^ Q) = ~P v ~Q
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Chứng minh hệ thức De Morgan sau:
~(P ^ Q) = ~P v ~Q

User Anthony
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1 Answer

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Use a truth table:

p … q … p ∧ q … ¬(p ∧ q) … ¬p … ¬q … ¬p ∨ ¬q

T … T … T … F … F … F … F

T … F … F … T … F … T … T

F … T … F … T … T … F … T

F … F … F … T … T … T … T

User Matt Brandt
by
7.4k points
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