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THE GENERAL NATURE AND FIELD OF LOGIC
FURTHER GENERAL CONSIDERATIONS
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actual affirm the antecedent affirmative already angle antecedent conditions Aristotle assume basis become categorical syllogism chapter circle classification complete conclusion connection consequent constructed contrapositive correlation Creighton deal deduction definite deny the antecedent discussion disjunctive disjunctive proposition disjunctive syllogism division elements enthymeme equal error especially Euler method extension fact fallacies field figure function fundamental gism hypothetical syllogism illustrated immediate inference indicated individual inductive guess Introductory Logic investigation Jevons judgments kind knowledge laws laws of thought less Lessons in Logic limits logicians major premise major term material mathematics matter means ment merely metals method middle term mind minor term modified mortal nature negative obtained obverse particular philosophy predicate Principles of Logic question reasoning reference regarded relation result scientific Sellars singular term situation Socrates sorites sort statistics strictly thought tion tive true universal valid various verified words