1.

If a: Vijay becomes a doctor, b: Ajay is an engineer. Then the statement ‘Vijay becomes a doctor if and only if Ajay is an engineer’ can be written in symbolic form as(A) b ↔ ~a (B) a ↔ b (C) a → b (D) b → a

Answer»

Correct option: (B) a ↔ b 

“if and only if” is expressed as ‘↔’

∴ symbolic form is a ↔ b.



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