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Theorem XornoX-def
⊦ XornoX(p, X, A) ↔ (∀ n. n ∈ p → A[n] ∈ X) ∨ (∀ n. n ∈ p → ¬ A[n] ∈ X)
Type: An axiom
Validity: The proof is valid.
Features:
Comment: the array elements in p are either all in X or none is in X
Used by:
NEWPARTS-theorem
,
Used by units in proved state:
Proof exists?: No