Question

Take -3 2 p + q -r from 1 2 P - 39 9- 1 p lo r.​

Answer 1

Answer:

Step-by-step explanation:

(p∨q)↔q. =((p∨q)→q)∧((p∨q)←q) ... 1 Down vote. You got this far: p∨q≡(∼p∨q)∧(p∨q). Use distributivity: p∨q≡(∼p∧p)∨q.