MathematicsMedium115×since 2008Q4379The number of values of r∈{p,q,∼p,∼q}\mathrm{r} \in\{\mathrm{p}, \mathrm{q}, \sim \mathrm{p}, \sim \mathrm{q}\}r∈{p,q,∼p,∼q} for which ((p∧q)⇒(r∨q))∧((p∧r)⇒q)((\mathrm{p} \wedge \mathrm{q}) \Rightarrow(\mathrm{r} \vee \mathrm{q})) \wedge((\mathrm{p} \wedge \mathrm{r}) \Rightarrow \mathrm{q})((p∧q)⇒(r∨q))∧((p∧r)⇒q) is a tautology, is :A2B1C4D3Check answerSkip