(b) Square of Opposition.

(2) Obversion.

(3) Conversion.

(a) Simply.

(b) By Limitation.

(4) Contraversion.

Inversion.

6. SUMMARY.

1. Inference is the thought process of deriving a judgment from one or two antecedent judgments.

2. Immediate inference is inference without the use of a middle term. Mediate inference is inference by means of a middle term.