(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.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
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ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
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Chapter4: Writing Linear Equations
Section: Chapter Questions
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(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)).
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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