Theory folToolsContext

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Type operators

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Constants

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Definitions

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Theorems

EQ_BOOL_CONJEQ_COMBEQ_SYMTRANS

Theorems

⊢ (∀x y. ¬x ∨ (x ⇎ y) ∨ y) ∧ (∀x y. x ∨ (x ⇔ y) ∨ y) ∧
  ∀x y. ¬x ∨ (x ⇔ y) ∨ ¬y
⊢ ∀f g x y. f ≠ g ∨ x ≠ y ∨ f x = g y
⊢ ∀x y z. x ≠ y ∨ x ≠ z ∨ y = z