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1. 2. 3. 1. Cv (~Dv-X) 2. ~C 3. X 1. AD B 2. B 3. ~AD (~Cv B) 1. AD D 2. ~Dv (~B~~~~A) 3. ~A 4. ~B /~D (Note: /~D means: prove ~D) /~C /~~~~A

1. 2. 3. 1. Cv (~Dv-X) 2. ~C 3. X 1. AD B 2. B 3. ~AD (~Cv B) 1. AD D 2. ~Dv (~B~~~~A) 3. ~A 4. ~B /~D (Note: /~D means: prove ~D) /~C /~~~~A

Advanced Engineering Mathematics
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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I need 1,2,3 For each proof, you must include (i.e., write) the premises in that proof. I do not want to see any proofs without premises. Do not use any transformation rules (e.g. contraposition) in your proof other than DN. Only use the eight inference rules. YOU CANNOT USE CONDITIONAL PROOF (CP), INDIRECT PROOF (IP), OR ASSUMED PREMISES (AP).
1. 2. 3. 1. Cv (~Dv-X) 2. ~C 3. X 1. AD B 2. B 3. ~AD (~Cv B) 1. AD D 2. ~Dv (~B~~~~A) 3. ~A 4. ~B /~D (Note: /~D means: prove ~D) /~C /~~~~A
Transcribed Image Text:1. 2. 3. 1. Cv (~Dv-X) 2. ~C 3. X 1. AD B 2. B 3. ~AD (~Cv B) 1. AD D 2. ~Dv (~B~~~~A) 3. ~A 4. ~B /~D (Note: /~D means: prove ~D) /~C /~~~~A
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