Commit 6237061c authored by Giuseppe Castagna's avatar Giuseppe Castagna
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typos

parent 6558959c
......@@ -82,9 +82,9 @@ intuitively, $\lambda^{\wedge_{i\in I}s_i\to t_i} x.e$ is a well-typed
value if for all $i{\in} I$ the hypothesis that $x$ is of type $s_i$
implies that the body $e$ has type $t_i$, that is to say, it is well
typed if $\lambda^{\wedge_{i\in I}s_i\to t_i} x.e$ has type $s_i\to
t_i$ for all $i\in I$. Every value is associated to a most specific type: the type of $c$ is $\basic c$; the type of
t_i$ for all $i\in I$. Every value is associated to a most specific type (mst): the mst of $c$ is $\basic c$; the mst of
$\lambda^{\wedge_{i\in I}s_i\to t_i} x.e$ is $\wedge_{i\in I}s_i\to t_i$; and, inductively,
the type of a pair of values is the product of the types of the
the mst of a pair of values is the product of the mst of the
values. We write $v\in t$ if $t$ is a subtype of the most specific type of $v$ (see Appendix~\ref{app:typeschemes} for the formal definition of $v\in t$ which deals with some corner cases for negated arrow types).
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