Construct Proofs, using Implication Rules of Inference terms

Construct Proofs, using Implication Rules of Inference terms

Construct Proofs, using Implication Rules of Inference terms of LOGIC

1. (P&Q)→R
2. (P&R)→Q
3. P ∴ R↔Q

1. ~P&~Q
2. (P∨Q)∨(R∨S) ∴ (R∨S)

1. ~P ∴ ~(P&Q)