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Posted: **Mon Jul 11, 2022 12:09 pm**

: Question 9 35 Using The Rules Of Natural Deduction Prove The Validity Of The Following Sequents In Predicate Logic I 1 (18.72 KiB) Viewed 30 times

: Question 9 35 Using The Rules Of Natural Deduction Prove The Validity Of The Following Sequents In Predicate Logic I 2 (7.6 KiB) Viewed 30 times

QUESTION 9 [35] Using the rules of natural deduction, prove the validity of the following sequents in predicate logic. In all cases, number your steps, indicate which rule you are using and indicate subproof boxes clearly.
Question 9.5 x (P(x) Q(x)) (x) \X (P→Q(x)) (7)