Conjunction Introduction is a Rule of inference that allows to create a conjunction from two propositions. In rule form: This article is a stub, please help Philosophy Wiki by improving it. If its finished, please remove this template. Natural Deduction Transformation Rules Rules of inference Modus Ponens | Modus Tollens | Disjunctive Syllogism | Hypothetical Syllogism | Conjunction Introduction | Conjunction Elimination | Disjunction Introduction | Disjunction Elimination | Bicondional Introduction | Biconditional Elimination | Constructive Dilemma | Destructive Dilemma | Absorption | Modus ponendo tollens Rules of Transformation Double Negation | Associative property | Commutative property | Distributive property | DeMorgan's Laws | Tautology | Exportation | Material