Theory hurdUtilsContext

Parents

Contents

Type operators

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Constants

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Definitions

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Theorems

EQ_NEG_FEQ_NEG_TSTRONG_CONJ_lem

Theorems

⊢ ∀a. (¬a ⇔ F) ⇔ (a ⇔ T)
⊢ ∀a. (¬a ⇔ T) ⇔ (a ⇔ F)
⊢ ∀a b. a ∧ (a ⇒ b) ⇒ a ∧ b