Theory cooper

Parents

Contents

Type operators

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Constants

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Definitions

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Theorems

F_and_lF_and_rF_or_lF_or_rNOT_ANDNOT_NOT_PNOT_ORT_and_lT_and_rT_or_lT_or_rsimple_conj_congruencesimple_disj_congruence

Theorems

⊢ ∀t. F ∧ t ⇔ F
⊢ ∀t. t ∧ F ⇔ F
⊢ ∀t. F ∨ t ⇔ t
⊢ ∀t. t ∨ F ⇔ t
⊢ ∀B A. ¬(A ∧ B) ⇔ ¬A ∨ ¬B
⊢ ∀t. ¬¬t ⇔ t
⊢ ∀B A. ¬(A ∨ B) ⇔ ¬A ∧ ¬B
⊢ ∀t. T ∧ t ⇔ t
⊢ ∀t. t ∧ T ⇔ t
⊢ ∀t. T ∨ t ⇔ T
⊢ ∀t. t ∨ T ⇔ T
⊢ ∀p q r. (p ⇒ (q ⇔ r)) ⇒ (p ∧ q ⇔ p ∧ r)
⊢ ∀p q r. (¬p ⇒ (q ⇔ r)) ⇒ (p ∨ q ⇔ p ∨ r)