∃ y ∀ x p ( x, y ) . Properties of quantifiers The commutative properties of quantifiers ∀ x ∀ y p ( x, y ) ⇐⇒ ∀ y ∀ x p ( x, y ) ; ∃ x ∃ y p ( x, y ) ⇐⇒ ∃ y ∃ x p ( x, y ) . She spent ten years as a historical advisor to the Royal Shakespeare Company's Globe Theatre and has co-authored three books, including...
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