1) Determine whether (s^ (rs))r is a tautology. 2) How many of the disjunctions s V-u,...

 

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1) Determine whether (¬s^ (rs))→→r is a tautology. 2) How many of the disjunctions s V-u, svu, u V v, u V-v, and u V¬v can be made simultaneously true by an assignment of truth-values to s, u, and v? 3) Determine whether each of these compound propositions is satisfiable. a) (rv¬s) ^ (r Vs) ^ (rV-s) b) (rs) ^ (r→→s) ^ (rs)^(→→s) c) (SV uv¬v) A (SV¬u V¬W) A (SVVV¬W)^(SVUV¬W) ^ (SV UV¬W) 1) Determine whether (¬s^ (rs))→→r is a tautology. 2) How many of the disjunctions s V-u, svu, u V v, u V-v, and u V¬v can be made simultaneously true by an assignment of truth-values to s, u, and v? 3) Determine whether each of these compound propositions is satisfiable. a) (rv¬s) ^ (r Vs) ^ (rV-s) b) (rs) ^ (r→→s) ^ (rs)^(→→s) c) (SV uv¬v) A (SV¬u V¬W) A (SVVV¬W)^(SVUV¬W) ^ (SV UV¬W)

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1 Determining Tautology Yess r s r is a tautologyThis mean... View the full answer