## A Modern Elementary Logic |

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Adam Bede affirmative answer antecedent argument Aristotle assert axiom Bertrand Russell called causal chapter characteristic chess-player clusion compound proposition conclusion conjunction connexion connotation consequent contradictory Contrapositive converse deductive defined definiendum definiens definition denotation deny discussion distinguish distributed echinoderms enthymeme equivalent evidence example excluded express fact fallacy follows formulate genus given proposition hence human illicit major illustrative symbols immediate inference individual instance invalid J. S. Mill logicians major premiss major term material implication means method middle term Mill's methods minor moods negative non-P non-S Obverted occurrence possible predicate premiss in figure proposition is true propositional form question reasoning reference regarded relation sense sentence significant simple propositions SP SP SP special rules statement student subclasses subcontraries subimplicant suffice tion trepangs true or false truth or falsity undistributed universal universal propositions universe of discourse valid syllogism word