459 prompts matching "proving a statement is a tautology"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Learn: What closure means for a binary operation
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WAEC Prep: A set closed under one operation but not another
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Learn: What it means for an operation to be commutative
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WAEC Prep: The inverse of the identity element itself
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Show All Working: An element with no inverse under a given operation
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Learn: Reading index notation, the base and the exponent
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WAEC Prep: Applying two index laws inside one expression
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Show All Working: Simplifying an expression with letters and indices
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WAEC Prep: Evaluating 8 to the power two-thirds
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Show All Working: Simplifying an expression that mixes the index types
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Learn: Solving an equation by writing both sides to the same base
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WAEC Prep: Rejecting a negative answer in an indicial equation
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Show All Working: A word problem that leads to an indicial equation
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Learn: The definition of a logarithm as the index
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Show All Working: The common logarithm, to base ten
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Learn: The law for the logarithm of a product
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WAEC Prep: Simplifying a logarithmic expression before evaluating it
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Show All Working: Solving a simple logarithmic equation
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Learn: The change of base formula
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WAEC Prep: Solving an exponential equation by taking logarithms of both sides
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