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"If X, then Y unless Z" is represented by which of the following formulae in propositional logic? ("¬" is negation "^" is conjunction, and "→" is implication)
(X ^ ¬ Z) → Y
(X ^ Y) → ¬ Z
(X → (Y ^ ¬ Z)
(X → Y(^ ¬ Z)
This question is part of this quiz :
Propositional and First Order Logic.,GATE-CS-2002,Propositional Logic PYQ Quiz GATE CS
