Abstract: Expounds, mainly on the basis of Adams's work, the logic of indicative conditionals—with some help from his adaptation of Venn diagrams. Failure for indicatives of or-to-if, contraposition, transitivity, and antecedent strengthening. Controversy over whether modus ponens holds for indicatives. Independent indicatives identified and snubbed.

Keywords: Adams, antecedent strengthening, conditionals, contraposition, independent indicatives, indicative conditionals, modus ponens, or-to-if, transitivity, Venn,