Prove, or find a counterexample to, each of the following assertions: a. If or
Question:
Prove, or find a counterexample to, each of the following assertions:
a. If α ⊨ γ or β |= γ (or both) then (α ∧ β) ⊨ γ
b. If α ⊨ (β ∧ γ) then α ⊨ β and α ⊨ γ.
c. If α ⊨ (β ∨ γ) then α ⊨ β or α ⊨ γ (or both).
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Related Book For
Artificial Intelligence A Modern Approach
ISBN: 978-0136042594
3rd edition
Authors: Stuart Russell, Peter Norvig
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