Write the dual of `(p → q) &or; (q → p)`.

Given statement is `(p → q) &or; (q → p)` = (&sim; p &or; q) &or; (&sim; q &or; p) Dual is (&sim; p &and; q) &and; (&sim; q &and; p)

English

Write the dual of (p→q)∨(q→p). -

Write the dual of `(p → q) ∨ (q → p)`.

Sum

Given statement is `(p → q) ∨ (q → p)`

= (∼ p ∨ q) ∨ (∼ q ∨ p)

Dual is (∼ p ∧ q) ∧ (∼ q ∧ p)

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Duality

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