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affirmative propositionsingular propositionparticular propositionindefinite propositionuniversal propositionnegative propositionuniversal affirmative propositionparticular negative propositionuniversal negative propositionparticular affirmative propositiontruthtautologyanalytic propositionBridge of Assestruth-valuetermpropositional functionconnectivemodalityconverse
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John Venn
English logician and philosopher