Hello, can you solve question J please

48 PROPOSITIONAL LoGIC: FoUNDATIONS (P E Q) if Q E then P and R else (not P) and S if P e Q and R else (not) and S Some of these sentences are valid; some are not. Find which sentences are not valid and produce interpretations under which they are false. Prove the validity of the other sentences, using one of the two methods: truth tables and proof by falsification. Use each method at least once