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use indirect truth tables to determine, for each given set of propositions, whether it is consistent. If the set is consistent, choose an option with a consistent valuation. (There may be other consistent valuations.)
-P ≡ (Q • ∼R)
P ⊃ ∼Q
(∼P • Q) ⊃ S
Q12: E ≡ F<br>F ⊃ ∼E / E<br>A)
Q14: (S ? ?T) ? {[V ?
Q137: List all of the subformulas in the
Q141: {X <span class="ql-formula" data-value=" \lor
Q172: [(Q ⊃ R) ⊃ (R ⊃
Q185: ∼I ⊃ (G <span class="ql-formula"
Q240: [(∃x)(Px • Qx)] ⊃ [(∃x)Px • (∃x)Qx]
Q242: Some yellow birds both chirp and sing.<br>A)
Q277: Irving's father teaches Bhavin and Eduardo.<br>A) Tf(i)b
Q296: Some lion is faster than all tigers