Logic Resolution rule application

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SUMMARY

The discussion revolves around a logic resolution rule application in a homework problem that participants believe contains an error. Specifically, a participant points out a potential typo where "-d" should be replaced with "c," which they argue leads to an incorrect solution. The lecturer's provided answer is questioned, prompting a request for clarification from the community. This indicates a need for deeper understanding and verification of logic resolution rules.

PREREQUISITES
  • Understanding of logic resolution rules
  • Familiarity with propositional logic
  • Basic knowledge of logical operators and their applications
  • Experience with problem-solving in logic-based scenarios
NEXT STEPS
  • Research common logic resolution rules and their applications
  • Study propositional logic and its syntax
  • Explore error-checking techniques in logical proofs
  • Review examples of logic resolution problems and their solutions
USEFUL FOR

Students studying logic, educators teaching logic resolution, and anyone involved in problem-solving within mathematical or computational contexts.

gl0ck
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Homework Statement


Hi, there
there is one question, which I find it to be solvable, but the answer is that it cannot be solved.
Can someone explain me the answer given. I think there is a mistake on the underlined row, which leads to wrong answer.
I am not sure, so if someone can help me I will be very grateful!


Homework Equations





The Attempt at a Solution

 

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i don't know this topic. But tracing back the pattern there seems an inconsequential typo, where that -d should be c. If you believe otherwise, please point out your reasoning and I'll take a closer look. :wink:
 
Thank you for the reply, that was the same thing I noticed, and this is the solution given by the lecturer, that is why I am asking.
 

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