Notes2 - 2 Truth-Tables for Pairs of Statements...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 2 Truth-Tables for Pairs of Statements (Equivalence, etc.) 3. ‘H ↔ ∼G’ and ‘(G & H) ∨ (∼G & ∼H)’ are contradictory : G HH G H G&H G G& H 21 3 5 2 41 4. ‘N & (A ∨ ∼E)’ and ‘∼A & (E ∨ ∼N)’ are inconsistent (but not contradictory): A E NN& A A E N A& E E N 3 21 2 4 31 6. ‘R & (Q ∨ S)’ and ‘(S ∨ R) & (Q ∨ R)’ are consistent (but not equivalent): Q R SR& Q R S S R & Q R QS 2 1 2 3 1 8. ‘Q → ∼(K ∨ F )’ and ‘(K & Q) ∨ (F & Q)’ are contradictory : F K QQ FQ K KF K & Q F&Q 32 1 2 3 1 
 ...
View Full Document

Ask a homework question - tutors are online