1,042 prompts matching "Arrangements in which two particular objects must be kept apart"
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Common Mistakes: Translating a symbolic statement back into English
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Final Revision: A compound proposition built from three simple ones
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Worked Example: Conjunction in a three-variable truth table
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Practice: Negation combined with a compound statement
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WAEC Prep: A truth table with three propositions in it
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Final Revision: The exclusive sense of or, and its truth table
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Explain Back: The inverse of a conditional
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Common Mistakes: Writing the converse, inverse and contrapositive of one statement
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Final Revision: A conditional statement set in an everyday situation
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Common Mistakes: Simplifying a compound statement using the laws
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Final Revision: A biconditional used in a mathematical definition
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Practice: Showing that a statement is a tautology
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Explain Back: Showing that a statement is a contradiction
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Final Revision: A longer statement tested for tautology
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Explain Back: The rule of syllogism
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WAEC Prep: Testing an argument for validity by truth table
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Common Mistakes: The fallacy of denying the antecedent
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Final Revision: An argument written in words and tested for validity
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Final Revision: A word problem about seating at a round table
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Final Revision: A word problem about choosing a delegation
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