(a) Show that the following sentence ¬Vz(3yR(x,y) = R(x, f(x, x)) is satisfiable where f is a 2-place function symbol and Ris a 2-place relation symbol. 4.
(a) Show that the following sentence ¬Vz(3yR(x,y) = R(x, f(x, x)) is satisfiable where f is a 2-place function symbol and Ris a 2-place relation symbol. 4.
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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Question
![(a) Show that the following sentence -Vx(3yR(x, y) = R(x, f (1, 2)))
is satisfiable where f is a 2-place function symbol and Ris a 2-place relation symbol.
4.
(b) Show that there is a derivation of - (x = y = (y = z = x = z)).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9d101e28-0426-4c1d-9533-17117e0a966a%2F1cc7bddc-902f-48cb-9ced-a0d26e0da2a4%2Fci804_processed.png&w=3840&q=75)
Transcribed Image Text:(a) Show that the following sentence -Vx(3yR(x, y) = R(x, f (1, 2)))
is satisfiable where f is a 2-place function symbol and Ris a 2-place relation symbol.
4.
(b) Show that there is a derivation of - (x = y = (y = z = x = z)).
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