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TweetyProject for first order logic

Published on
#java #artificial-intelligence #first-order-logic
24
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Scala Parser Combinators issue with whitespaces

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#scala #parsing #first-order-logic
13
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What is the definition of a theorem in a First Order Logic puzzle?

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#first-order-logic
103
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Converting First-order statement into definite clause with AIMA

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#python #first-order-logic
35
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How does the Nelson-Oppen combination handle shared variables that are equal but interpreted as unequal constants in different theories?

Published on
#logic #smt #theorem-proving #first-order-logic
21
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Unification when multiple copies of a formula are needed

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#logic #resolution #theorem-proving #unification #first-order-logic
36
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Searching Skolem functions in non-linear arithmetics

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#z3 #smt #quantifiers #first-order-logic
49
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Counterexample for first-order logic assertion

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#logic #proof #first-order-logic
54
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If a theory is decidable in the existential fragment, does this mean that there is a (terminating) method to obtain witnesses of satisfaction?

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#z3 #smt #quantifiers #first-order-logic
69
Views

I think Z3 is not performing quantifier elimination in a sequence instance

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#z3 #smt #z3py #quantifiers #first-order-logic
122
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How can I perform validity of ∃∀.φ, if I use quantifier elimination for ∀.φ and get φ'? I hypothetise ∃φ' solves satisfiability, not validity

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#z3 #z3py #quantifiers #first-order-logic #satisfiability
79
Views

Can I use quantifier elimination to get models for 'c' in formulae like ∃a.∀b.∃c.∀d. Phi?

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#z3 #smt #quantifiers #first-order-logic
34
Views

Gödel didn’t prove the incompleteness?

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#logic #proof #first-order-logic
159
Views

Can SMT solver like Z3 prove 1+2+...+n = n(n+1)/2?

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#math #z3 #smt #first-order-logic #theorem
135
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How do you prove ∃x[Fx → (Gx → Hx)], ∀xFx ∧ ∃xGx ∴ ∃x¬(Gx ∧ ¬Hx) in FOL?

Published on
#logic #first-order-logic
139
Views

How would you go about implementing this example of Resolution in Prolog?

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#prolog #first-order-logic
13
Views

How can I show that if a theory T is closed under extension, then it can be axiomatised using existential sentences?

Published on
#logic #first-order-logic
548
Views

How do I write the lark grammar for First Order Logic with Equality?

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#python #parsing #bnf #first-order-logic #lark-parser
74
Views

Does Z3 (and other solvers) always use terminating decision procedures when possible?

Published on
#arrays #z3 #smt #theorem-proving #first-order-logic
66
Views

(Semi-decidable) combination of first-order theories is possible in Z3, but what about an actual semantic/signature-wise combination?

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#z3 #smt #z3py #theorem-proving #first-order-logic

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