Tautology | Satisfiability | Contingency | Contradiction -Easy way of Solving | Propositional Logic

#propositional logic#tautology#satisfiability#contradiction
Different way of Solving Tautology | Satisfiability | Contingency | Contradiction
Clear your basic of Propositional logic

[@abhishekchauhan4888]

keep it up...

[@madhaiyanvaitheswari6034]

How to apply not symbol mam pls explain it