2. 3. Give a formal proof for the tautology by using the CP rule. Do not use the IP rule. Note that A AB is a premise for the right-hand side and should not be proved. (A →C) → (A^B → C) Give a formal proof by using the CP rule and by using the IP rule at least once. (A →B) A (AVB) → B Give a formal proof by using the CP rule and by using the IP rule at least once. Note that B is a premise for the right-hand side and should not be proved. ¬B→ (BC)
2. 3. Give a formal proof for the tautology by using the CP rule. Do not use the IP rule. Note that A AB is a premise for the right-hand side and should not be proved. (A →C) → (A^B → C) Give a formal proof by using the CP rule and by using the IP rule at least once. (A →B) A (AVB) → B Give a formal proof by using the CP rule and by using the IP rule at least once. Note that B is a premise for the right-hand side and should not be proved. ¬B→ (BC)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:2.
3.
Give a formal proof for the tautology by using the CP rule. Do not use the IP rule. Note that A AB is a
premise for the right-hand side and should not be proved.
(A →C) → (A^B → C)
Give a formal proof by using the CP rule and by using the IP rule at least once.
(A →B) A (AVB) → B
Give a formal proof by using the CP rule and by using the IP rule at least once. Note that B is a premise
for the right-hand side and should not be proved.
¬B→ (BC)
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