698 prompts matching "Solving a quadratic whose discriminant is negative"
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Common Mistakes: A cubic equation arising from a volume problem
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Explain Back: The disjunction of two propositions
I have just studied the disjunction of two propositions in my SS2 Further Mathematics clas
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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Quiz: Disjunction and the inclusive or
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Common Mistakes: Comparing two statements by their truth tables
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Common Mistakes: Writing the converse, inverse and contrapositive of one statement
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Show All Working: The distributive laws in logic
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Common Mistakes: Simplifying a compound statement using the laws
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Learn: What a tautology is
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Worked Example: What a contradiction is
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Quiz: What a contingency is
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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
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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Explain Back: The rule of syllogism
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Spot My Mistake: Disjunctive syllogism
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Common Mistakes: The fallacy of denying the antecedent
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Common Mistakes: Arranging objects when some must stay in a fixed order
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