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In layman's terms, Duality principle just says that you replace each and every 'and' with 'or' & vice-versa; every 't (tautology)' with 'c(contradiction)'Suyash Singh said:Homework Statement
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What is dual?
Homework Equations
The Attempt at a Solution
Not on net. Meaning of dual i don't know and can't find.
baldbrain said:In layman's terms, Duality principle just says that you replace each and every 'and' with 'or' & vice-versa; every 't (tautology)' with 'c(contradiction)'
So first you express 'p implies q' in an equivalent form of 'ands' and 'ors', same thing again with the whole expression, and then apply the dual.
Keep in mind that you don't touch the negations (if any) in the expression. For further reading, visit Boolean algebra - Wikipedia.
No, not contrapositive.MidgetDwarf said:Not sure If I understood correctly. Do we just take the contrapositive of this statement? It is the first time I hear the word dual.
or do you mean 'p implies q' is equivalent to not P ∨ Q ?