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Modified Peter's proposed text on argument order

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Philip Wadler 2020-04-21 15:42:33 -03:00 committed by GitHub
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src/plfa/part2/Properties.lagda.md
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@ -775,7 +775,7 @@ Where the construct introduces a bound variable we need to compare it
with the substituted variable, applying the drop lemma if they are
equal and the swap lemma if they are distinct.
Note that for Agda it makes a difference whether we write `x ≟ y` or
For Agda it makes a difference whether we write `x ≟ y` or
`y ≟ x`. In an interactive proof, Agda will show which residual `with`
clauses in the definition of `_[_:=_]` need to be simplified, and the
`with` clauses in `subst` need to match these exactly. The guideline is