Question: CSCV471 Propositional Logic (100 Points) 1. (56 points) Decide whether each of the following sentences is valid, unsatisfiable, or neither. a. Smoke Smoke b. Smoke

CSCV471 Propositional Logic (100 Points) 1. (56 points) Decide whether each of the following sentences is valid, unsatisfiable, or neither. a. Smoke Smoke b. Smoke Fire c. (Smoke >Fire) SmokeFire) d. Smoke v Fire v -Fire e. ((Smoke^ Heat)? Fire)~((Srnoke? Fire)v (Heat? Fire)) f. (Smoke=> Fire)=> ((Smoke^ Heat)=> Fire) h. (Big A Dumb) v-Dumb

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