1,045 prompts matching "Quiz: The sum of the first fifty natural numbers"
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Explain Back: A cubic with a repeated root
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Worked Example: Sentences that are not propositions
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Worked Example: Conjunction in a three-variable truth table
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Spot My Mistake: Building a truth table column by column
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WAEC Prep: A truth table with three propositions in it
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WAEC Prep: Why a conditional and its contrapositive are equivalent
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Explain Back: Showing two statements equivalent by truth table
I have just studied showing two statements equivalent by truth table in my SS2 Further Mat
Spot My Mistake: De Morgan's laws in logic
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Worked Example: What a contradiction is
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Explain Back: Showing that a statement is a contradiction
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Worked Example: Premises and conclusion
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Spot My Mistake: Disjunctive syllogism
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WAEC Prep: Testing an argument for validity by truth table
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Spot My Mistake: Arrangements with two particular items adjacent
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WAEC Prep: Arrangements with two particular items not adjacent
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Explain Back: Circular arrangements with two people kept apart
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Spot My Mistake: Arrangements round a table with men and women alternating
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Explain Back: A selection that must exclude one particular member
I have just studied a selection that must exclude one particular member in my SS2 Further
Explain Back: Probability with replacement and without replacement
I have just studied probability with replacement and without replacement in my SS2 Further
Spot My Mistake: Expanding a bracket with a minus sign inside it
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