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Fix typos in equations in Quantifiers.lagda

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Juhana Laurinharju 2018-05-27 21:53:24 +03:00
parent 246c2b3287
commit ea4d75c36b
1 changed files with 3 additions and 3 deletions
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src/Quantifiers.lagda
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@ -312,11 +312,11 @@ must show it is odd. We induct over the evidence of the existential,
and in the even case consider the two possibilities for the number
that is doubled.
- In the even case for `zero`, we must show `2 * zero` is even, which
- In the even case for `zero`, we must show `zero * 2` is even, which
follows by `even-zero`.
- In the even case for `suc n`, we must show `2 * suc m` is even. The
inductive hypothesis tells us that `1 + 2 * m` is odd, from which the
- In the even case for `suc n`, we must show `suc m * 2` is even. The
inductive hypothesis tells us that `1 + m * 2` is odd, from which the
desired result follows by `even-suc`.
- In the odd case, we must show `1 + m * 2` is odd. The inductive