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Why can I make the claim: $\forall x \left[ x = c \lor x \neq c \right ]$ for some object $c$?

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#logic #predicate-logic
150
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If x does not occur free in A then (∃x)A→A an absolute theorem schema?

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#logic #predicate-logic
93
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Translate the negation of "Every cat whom every dog displeases, displeases some dog"

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#solution-verification #predicate-logic
224
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How to determine whether a proposition is molecular or atomic?

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#logic #predicate-logic
946
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Why implication rather than conjunction while translating universal quantifiers?

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#logic #predicate-logic
981
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In classical predicate logics, why is it usually assumed that at least one object exists?

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#logic #predicate-logic #model-theory #philosophy
150
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Interpreting propositional formulas with quantifiers in the English language

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#logic #predicate-logic
170
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What is the difference between "Fuzzy Logic" and "General Predicate Logic with Identity and Function Symbols"?

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#logic #first-order-logic #predicate-logic #fuzzy-logic
67
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Algorithmic Conversion of a Propisitional Proof to a "3-coloring" of a graph.

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#proof-writing #propositional-calculus #predicate-logic #computational-complexity #coloring
162
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f fewer than n students in class are initially infected, the whole class will never be completely infected. Prove this theorem.

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#discrete-mathematics #predicate-logic
83
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Indefinite Consequent First Order Logic

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#logic #propositional-calculus #first-order-logic #predicate-logic
47
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Questions about Predicate Logic in relation to a Word Problem?

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#discrete-mathematics #logic #predicate-logic
726
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Is "$(\exists x \neg P(x) \wedge(\exists y \neg Q(y))$" equivalent with "$\exists x,y \neg P(x) \wedge \neg Q(y)$?"

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#logic #predicate-logic #quantifiers
81
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What's the intuitive explanation of (∀xFx → Gn) ≡∃x(Fx →Gn)?

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#logic #predicate-logic
160
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Negating "Bob visits at least one of his siblings every year"

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#logic #predicate-logic #quantifiers #logic-translation

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