What is the flaw in this induction proof?
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Questions on "All Horse are the Same Color" Proof by Complete Induction
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Exclusion Inclusion Principle Induction Proof
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Induction: prove using congruences
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Use Induction to prove that for all $n \in \mathbb{N}, (x^n + \frac{1}{x^n}) \in \mathbb{Z}$ if $x+\frac{1}{x}\in\mathbb{Z}$.
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Using induction to prove $\sum_{k=0}^{N-1} 2^k = 2^N-1$
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Mathematical induction question: why can we "assume $P(k)$ holds"?
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proof using the mathematical induction
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Need help with Proof by Strong Induction question
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Proof by Induction $n^2+n$ is even
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A (probably trivial) induction problem: $\sum_2^nk^{-2}\lt1$
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Proof by induction; $a^n$ divides $b^n$ implies $a$ divides $b$
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Prove by Induction : $n < 2^n$
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What does "prove by induction" mean?
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Use induction to prove the following: $1! + 2! + .... + n! \le (n + 1)!$
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Proof by induction - Being stuck before being able to prove anything!
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Proof of Strong Induction Using Well-Ordering Principle
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Why is this $0 = 1$ proof wrong?