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Results tagged with induction
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user 35868
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When must one strengthen one's induction hypothesis?
My questions are about the phenomenon that in order to prove a fact $\forall x \phi(x)$ by induction, sometimes straightforward induction "does not work" and instead one "must" use a "stronger" induction … Clause 3 says that $T$ and induction with $\phi$ as induction hypothesis does not work. Clause 4 ensures that this is because the inductive step fails. …
- 155
11
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Accepted
Cases where multiple induction steps are provably required
Thus in this sense one application of induction always suffices. …
- 155