De Morgan's laaws are two examplesof rules of inference

Related MCQs

• Inference rules maintain
• Fact 1: Jessica has four children Fact 2: Two of the children have blue eyes and two of the children have brown eyes. Fact 3: Half of the children are girls. If the first three statements are facts, which of the following statements must also be a fact? I: At least one girl has blue eyes. II: Two of the children are boys. III: The boys have brown eyes.
• Which of the following statements is the contrapositive of the statement, “You win the game if you know the rules but are not overconfident.”
• n a Venn diagram , the overlap between two circles represents:
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• Blueberries cost more than strawberries. Blueberries cost less than raspberries.Raspberries cost more than both strawberries and blueberries. If the first two statements are true, the third statement is
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• The union of two equivalence relations on a non- empty set is an equivalence relation.