Hilbertův axiomatický systém
(CA1) ⊢ A → (B → A) (CA2) ⊢ (A → (B → C)) → ((A → B) → (A → C)) (CA3) ⊢ (¬A → ¬B) → (B → A) (MP) A, A → B ⊢ B
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(CA1) ⊢ A → (B → A) (CA2) ⊢ (A → (B → C)) → ((A → B) → (A → C)) (CA3) ⊢ (¬A → ¬B) → (B → A) (MP) A, A → B ⊢ B
Last updated