For a new example, work in this order:
1. Mark the subject and predicate of the proposed conclusion.
2. Identify the minor and major terms.
3. Locate the middle term shared by the premises.
4. Check that it is subject of the minor and predicate of the major.
5. Identify each premise's quantity and quality.
6. Prove the conclusion by conversion, reductio, or instances; if it fails, construct a counterexample.
This gives logical consequence, not memorized shape labels, the decisive role.
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The Fourth Figure: Productive Conditions, Moods and Proofs
For a new example, work in this order:
1. Mark the subject and predicate of the proposed conclusion.
2. Identify the minor and major terms.
3. Locate the middle term shared by the premises.
4. Check that it is subject of the minor and predicate of the major.
5. Identify each premise's quantity and quality.
6. Prove the conclusion by conversion, reductio, or instances; if it fails, construct a counterexample.
This gives logical consequence, not memorized shape labels, the decisive role.