1,043 prompts matching "Practice: Reversing the sign when multiplying by a negative number"
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Final Revision: The exclusive sense of or, and its truth table
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Learn: The conditional statement, if p then q
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Worked Example: The truth table for the conditional
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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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Learn: The biconditional, p if and only if q
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Worked Example: The truth table for the biconditional
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WAEC Prep: The double negation law
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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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Explain Back: The rule of syllogism
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Common Mistakes: The fallacy of denying the antecedent
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Explain Back: Arrangements restricted at the first letter
I have just studied arrangements restricted at the first letter in my SS2 Further Mathemat
Final Revision: Counting the arrangements of people in a queue
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Worked Example: The number of ways n people sit round a round table
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WAEC Prep: Beads on a necklace, and why the count halves
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Worked Example: Selections in which the order does not matter
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Common Mistakes: The number of ways of dividing a class into groups
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Worked Example: Counting the total outcomes with combinations
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WAEC Prep: The probability of at least one of a kind
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