LECTURE VIII NEGATION, AND OPPOSITION OF JUDGMENTS

1. Distinction between Contrary and Contradictory Opposition 126

2. Contrary Negation 128

3. Why use Negation? 130

4. Stage of Significant Negation; Combination of Contrary and Contradictory 132

5. Negative Judgment expressing Fact 134

6. Operation of the Denied Idea 135

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LECTURE IX INFERENCE AND THE SYLLOGISTIC FORMS

1. Inference in General 137

2. Conditions of the Possibility of Inference 139

3. System the ultimate condition of Inference 140

4. Immediate Inference 141

5. Number of Instances 142

6. Figures of Syllogism, illustrating Progress from Guess-work to Demonstration 146