Premise 1: Every teacher is a human.
Premise 2: Ahmad is human.
Unsupported conclusion: Ahmad must be a teacher.
The first claim is one-directional: teacher → human. It does not license human → teacher. Recognize the direction of the stated relationship before drawing a conclusion.
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Do not reverse a one-way implication
Ḥujjah: Deriving a Conclusion from Known Judgments
Premise 1: Every teacher is a human.
Premise 2: Ahmad is human.
Unsupported conclusion: Ahmad must be a teacher.
The first claim is one-directional: teacher → human. It does not license human → teacher. Recognize the direction of the stated relationship before drawing a conclusion.