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Fixed issue with EPUB.

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Wen Kokke 2020-07-13 23:50:28 +01:00
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src/plfa/part1/Decidable.lagda.md
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@ -548,7 +548,7 @@ postulate
#### Exercise `iff-erasure` (recommended)
Give analogues of the `_⇔_` operation from
Chapter [Isomorphism]({{ site.baseurl}}/Isomorphism/#iff),
Chapter [Isomorphism]({{ site.baseurl }}/Isomorphism/#iff),
operation on booleans and decidables, and also show the corresponding erasure:
```
postulate
@ -564,7 +564,7 @@ postulate
## Proof by reflection {#proof-by-reflection}
Let's revisit our definition of monus from
Chapter [Naturals]({{ site.baseurl}}/Naturals/).
Chapter [Naturals]({{ site.baseurl }}/Naturals/).
If we subtract a larger number from a smaller number, we take the result to be
zero. We had to do something, after all. What could we have done differently? We
could have defined a *guarded* version of minus, a function which subtracts `n`