JEE Main 20231 Feb, Evening shiftMathematicsEasyMathematical Reasoning115× since 2008Which of the following statements is a tautology?AOption A. p∨(p∧q)\mathrm{p\vee(p\wedge q)}p∨(p∧q)BOption B. (p∧(p→q))→ ∼q(\mathrm{p\wedge(p\to q))\to\,\sim q}(p∧(p→q))→∼qCOption C. p→(p∧(p→q))\mathrm{p\to (p\wedge (p\to q))}p→(p∧(p→q))DOption D. (p∧q)→(∼(p)→q)(\mathrm{p\wedge q)\to(\sim (p)\to q)}(p∧q)→(∼(p)→q)CheckSkip · show solution
