Basic syllogism: Statement: “All who study are students.” Pick the pair that is consistent with this rule. (i) Isha studies. (ii) Isha does not study. (iii) Isha is a student. (iv) Isha is not a student.

Introduction / Context:
The syllogism is Study → Student.

Given Data / Assumptions:

• No statement about non-studiers.

Concept / Approach:
Pick the antecedent and consequent pair.

Step-by-Step Solution:
(i) Isha studies; (iii) Isha is a student → valid consequence.

Verification / Alternative check:
Reverse (iii)(i) does not follow as a rule (students may or may not study at present).

Why Other Options Are Wrong:
They contradict or reverse the implication.

Common Pitfalls:
Assuming the converse.

Final Answer:
(i) (iii)