volume_mute

Mark the following statements as tautology or contradiction

publish date: 2022/08/15 12:18:00 GMT+10

volume_mute
  1. (1) transparent A ∨ A'
  2. (2) transparent A ∧ A'
  3. (3) transparent (A → B) ↔ (B′ → A′) 
  4. (4) transparent (A ∨ A′) → (B ∨ B′) 
drag and drop the selected option to the right place or type it instead
tautology
contradiction

Correct Answer

(1) tautology
(2) contradiction
(3) tautology
(4) contradiction

Reference

Mathematical Structures for Computer Science, Discrete Mathematics and its Applications, seventh edition

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