a) ∀x(x − x! = 0)
b) ∀x(x − x = 0)
c) ∀x∀y(x − y = 0)
d) ∃x(x − x = 0)
Express, “The difference of a real number and itself is zero” using required operators.
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Express, “The difference of a real number and itself is zero” using required operators.
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