1,045 prompts matching "why we check the domain in logarithmic equations"
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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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Worked Example: Conjunction in a three-variable truth table
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Practice: Negation combined with a compound statement
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Worked Example: The truth table for the conditional
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Practice: The converse of a conditional
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Final Revision: A conditional statement set in an everyday situation
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Worked Example: The truth table for the biconditional
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Explain Back: Showing two statements equivalent by truth table
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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
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Final Revision: A longer statement tested for tautology
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Final Revision: An argument written in words and tested for validity
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Worked Example: Arranging r of n objects in a line
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Common Mistakes: Arranging objects when some must stay in a fixed order
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Worked Example: The number of ways n people sit round a round table
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Practice: Circular arrangements with two people together
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Explain Back: Circular arrangements with two people kept apart
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Common Mistakes: Comparing a line arrangement with a circular one
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Final Revision: A word problem about seating at a round table
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