1,045 prompts matching "The proportion of a normal distribution within one, two and three standard devia"
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Worked Example: How many roots a cubic equation has
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Quiz: A cubic with three distinct real roots
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Explain Back: A cubic with a repeated root
I have just studied a cubic with a repeated root in my SS2 Further Mathematics class. Let
Show All Working: Solving a cubic that must first be rearranged
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Common Mistakes: A cubic equation arising from a volume problem
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Worked Example: Sentences that are not propositions
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Show All Working: Translating an English sentence into logical symbols
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Common Mistakes: Translating a symbolic statement back into English
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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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Quiz: Why a conditional with a false antecedent counts as true
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Show All Working: Why a conditional and its converse are not equivalent
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Spot My Mistake: De Morgan's laws in logic
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Worked Example: What a contradiction is
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Quiz: What a contingency is
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Explain Back: Showing that a statement is a contradiction
I have just studied showing that a statement is a contradiction in my SS2 Further Mathemat
Common Mistakes: Deciding between tautology, contradiction and contingency
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Worked Example: Premises and conclusion
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Spot My Mistake: Disjunctive syllogism
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Common Mistakes: Arranging objects when some must stay in a fixed order
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