700 prompts matching "When Cramer's rule is quicker than elimination"
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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
Spot My Mistake: The negation of a proposition
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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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Final Revision: A compound proposition built from three simple ones
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Spot My Mistake: Building a truth table column by column
Act as my SS2 Further Mathematics tutor. Work a question on building a truth table column
Common Mistakes: Comparing two statements by their truth tables
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Final Revision: The exclusive sense of or, and its truth table
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Spot My Mistake: The contrapositive 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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Spot My Mistake: De Morgan's laws in logic
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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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Final Revision: A biconditional used in a mathematical definition
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Learn: What a tautology 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
Spot My Mistake: The law of the excluded middle
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Common Mistakes: Deciding between tautology, contradiction and contingency
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