question archive Translate the following formulas into a set S of clauses: • ∀x∀y(above(x,y)∧ on(y,z) → above(x,z)) • ∀x∀y(on(x,y) → above(x,y)) • on(a,b) • on(b,c) draw a resolution tree proof of clause {above(a,c)} from S
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Translate the following formulas into a set S of clauses:
• ∀x∀y(above(x,y)∧ on(y,z) → above(x,z))
• ∀x∀y(on(x,y) → above(x,y))
• on(a,b)
• on(b,c)
draw a resolution tree proof of clause {above(a,c)} from S. Indicate the literals being resolved on and the substitutions being made to do the resolution.