

MCQOPTIONS
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1. |
Express, “The difference of a real number and itself is zero” using required operators.$ |
A. | ∀x(x − x! = 0) |
B. | ∀x(x − x = 0) |
C. | ∀x∀y(x − y = 0) |
D. | ∃x(x − x = 0) |
Answer» C. ‚Äö√Ñ√∂‚àö‚Ć‚àö√ëx‚Äö√Ñ√∂‚àö‚Ć‚àö√ëy(x ‚Äö√Ñ√∂‚àö‚Ć‚àö‚↠y = 0) | |